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At AquaCave, we offer some of the best selection & best prices on Hose Barb Plumbing Fittings for you marine, reef, and freshwater aquarium.

60 of 69 Items
  • Precision Needle Valve with 1/4" Barb Fittings Precision Needle Valve with 1/4" Barb Fittings

    AquaCave

    Precision Needle Valve with 1/4" Barb Fittings

    Precision Needle Valve with 1/4" Barb Fittings For quick, easy and accurate regulation of flow applications, look no further than our Precision Needle Valve. Featuring a Teflon® stem seal and Black Filled Polyester Knob, this is both a versatile and...

    $27.99
  • Precision Needle Valve with 3/8" Barb Fittings Precision Needle Valve with 3/8" Barb Fittings

    AquaCave

    Precision Needle Valve with 3/8" Barb Fittings

    Precision Needle Valve with 3/8" Barb Fittings For quick, easy and accurate regulation of flow applications, look no further than our Precision Needle Valve. Featuring a Teflon® stem seal and Black Filled Polyester Knob, this is both a versatile and...

    $27.99
  • 3/4" - 1" U-Tube Outflow

    AquaCave

    3/4" - 1" U-Tube Outflow

    3/4" - 1" U-Tube Outflow Includes Loc-Line type attachment. Available in 2 connection sizes: - 5/8" - 3/4" - 3/4" - 1" All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).3/4" - 1" U-Tube...

    $11.95
  • 5/8" - 3/4" U-Tube Outflow

    AquaCave

    5/8" - 3/4" U-Tube Outflow

    5/8" - 3/4" U-Tube Outflow Includes Loc-Line type attachment. Available in 2 connection sizes: - 5/8" - 3/4" - 3/4" - 1" All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).5/8" - 3/4" U-Tube...

    $9.95
  • Reducing Y Hose Barb Connector 1" x 0.75" x 0.75"

    AquaCave

    Reducing Y Hose Barb Connector 1" x 0.75" x 0.75"

    Reducing Y Hose Barb Connector 1" x 0.75" x 0.75"All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Reducing Y Hose Barb Connector 1" x 0.75" x 0.75"All listed "Insert" sizes fit corresponding...

    $7.95
  • Female Adapter, 1" FTP x 1" Insert

    AquaCave

    Female Adapter, 1" FTP x 1" Insert

    Female Adapter, 1" FTP x 1" InsertFemale Adapter, 1" FTP x 1" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4097Item No. PL-HBF-FA-1

    $6.95
  • Hose Barb Fitting 90 deg. Elbow, 1" MPT x 1" Insert Hose Barb Fitting 90 deg. Elbow, 1" MPT x 1" Insert

    AquaCave

    Hose Barb Fitting 90 deg. Elbow, 1" MPT x 1" Insert

    Hose Barb Fitting 90 deg. Elbow, 1" MPT x 1" InsertHose Barb Fitting 90 deg. Elbow, 1" MPT x 1" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4086Item No. PL-HBF-EL90M-1x1

    $6.95
  • Reducing Y Hose Barb Connector 0.75" x 0.5" x 0.5"

    AquaCave

    Reducing Y Hose Barb Connector 0.75" x 0.5" x 0.5"

    Reducing Y Hose Barb Connector 0.75" x 0.5" x 0.5"Plastic fitting. Translucent white color.Reducing Y Hose Barb Connector 0.75" x 0.5" x 0.5"All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product...

    $6.95
  • Spigot Adapter 1" Spigot x 1" Insert

    AquaCave

    Spigot Adapter 1" Spigot x 1" Insert

    Spigot Adapter 1" Spigot x 1" InsertFits female PVC fittings.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Spigot Adapter 1" Spigot x 1" InsertFits female PVC fittings.All listed "Insert" sizes fit...

    $6.95
  • Female Adapter, 0.75" FTP x 0.75" Insert

    AquaCave

    Female Adapter, 0.75" FTP x 0.75" Insert

    Female Adapter, 0.75" FTP x 0.75" InsertFemale Adapter, 0.75" FTP x 0.75" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4096Item No. PL-HBF-FA-075

    $5.95
  • Spigot Adapter 0.75" Spigot x 0.75" Insert

    AquaCave

    Spigot Adapter 0.75" Spigot x 0.75" Insert

    Spigot Adapter 0.75" Spigot x 0.75" InsertFits female PVC fittings.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Spigot Adapter 0.75" Spigot x 0.75" InsertFits female PVC fittings.All listed...

    $5.95
  • Hose Barb Elbow Fitting 1" Insert x 1" Insert

    AquaCave

    Hose Barb Elbow Fitting 1" Insert x 1" Insert

    Hose Barb Elbow Fitting 1" Insert x 1" InsertHose Barb Elbow Fitting 1" Insert x 1" InsertAll listed sizes fit coresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4105Item No. PL-HBF-EL90-1

    $4.99
  • Reducing Tee 1" Insert x 1" Insert x 0.5" Insert

    AquaCave

    Reducing Tee 1" Insert x 1" Insert x 0.5" Insert

    Reducing Tee 1" Insert x 1" Insert x 0.5" InsertReducing Tee 1" Insert x 1" Insert x 0.5" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4113Item No. PL-HBF-RTI-3

    $4.99
  • Reducing Tee 1" Insert x 1" Insert x 0.75" Insert

    AquaCave

    Reducing Tee 1" Insert x 1" Insert x 0.75" Insert

    Reducing Tee 1" Insert x 1" Insert x 0.75" InsertReducing Tee 1" Insert x 1" Insert x 0.75" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4114Item No. PL-HBF-RTI-4

    $4.99
  • Female Adapter 3/4" FTP x 5/8" Insert

    AquaCave

    Female Adapter 3/4" FTP x 5/8" Insert

    Female Adapter 3/4" FTP x 5/8" Insert All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).  Female Adapter 3/4" FTP x 5/8" Insert All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I...

    $4.95
  • Female Adapter, 0.5" FTP x 0.5" Insert

    AquaCave

    Female Adapter, 0.5" FTP x 0.5" Insert

    Female Adapter, 0.5" FTP x 0.5" InsertFemale Adapter, 0.5" FTP x 0.5" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4094Item No. PL-HBF-FA-05

    $4.95
  • Female Adapter, 0.5" FTP x 5/8" Insert

    AquaCave

    Female Adapter, 0.5" FTP x 5/8" Insert

    Female Adapter, 0.5" FTP x 5/8" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Female Adapter, 0.5" FTP x 5/8" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size...

    $4.95
  • Hose Barb Fitting 90 deg. Elbow, 1" FPT x 1" Insert

    AquaCave

    Hose Barb Fitting 90 deg. Elbow, 1" FPT x 1" Insert

    Hose Barb Fitting 90 deg. Elbow, 1" FPT x 1" InsertHose Barb Fitting 90 deg. Elbow, 1" FPT x 1" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4103Item No. PL-HBF-EL90F-1x1

    $4.95
  • Spigot Adapter 0.5" Spigot x 0.5" Insert

    AquaCave

    Spigot Adapter 0.5" Spigot x 0.5" Insert

    Spigot Adapter 0.5" Spigot x 0.5" InsertFits female PVC fittings.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Spigot Adapter 0.5" Spigot x 0.5" InsertFits female PVC fittings.All listed "Insert"...

    $4.95
  • Spigot Adapter 90 deg. Elbow 1" Spigot x 1" Insert

    AquaCave

    Spigot Adapter 90 deg. Elbow 1" Spigot x 1" Insert

    Spigot Adapter 90 deg. Elbow 1" Spigot x 1" Insert InsertFits female PVC fittings...Spigot Adapter 90 deg. Elbow 1" Spigot x 1" Insert90 deg. Elbow Spigot Adapters Spigot x Insert.Fits female PVC fittings.Product code: 4093Item No. PL-HBF-SA90-1

    $4.95
  • Y Hose Barb Connectors, 1" Insert

    AquaCave

    Y Hose Barb Connectors, 1" Insert

    Y Hose Barb Connectors, 1" InsertPlastic fitting. Translucent white color. Y Hose Barb Connectors, 1" InsertTranslucent white color. 3 sizes available.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit...

    $4.95
  • Garden Hose Female (GHFT) x 3/4" Barb Fitting Garden Hose Female (GHFT) x 3/4" Barb Fitting

    AquaCave

    Garden Hose Female (GHFT) x 3/4" Barb Fitting

    Garden Hose Female (GHFT) x 3/4" Barb Fitting These fittings are an excellent choice for tubing and hose applications involving garden hose threads. Non-corrosive Includes the Red Vinyl, phthalate-free washer May be hand or wrench tightened Dimensions:...

    $3.99
  • Hose Barb Elbow Fitting 0.75" Insert x 0.75" Insert

    AquaCave

    Hose Barb Elbow Fitting 0.75" Insert x 0.75" Insert

    Hose Barb Elbow Fitting 0.75" Insert x 0.75" InsertHose Barb Elbow Fitting 0.75" Insert x 0.75" InsertAll listed sizes fit coresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4104Item No. PL-HBF-EL90-075

    $3.99
  • Reducing Insert Coupling 0.75" Insert x 0.5" Insert

    AquaCave

    Reducing Insert Coupling 0.75" Insert x 0.5" Insert

    Reducing Insert Coupling 0.75" Insert x 0.5" InsertReducing Insert Coupling 0.75" Insert x 0.5" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4069Item No. PL-HBF-ICR3

    $3.99
  • Reducing Insert Coupling 1/2" Insert x 3/8" Insert

    AquaCave

    Reducing Insert Coupling 1/2" Insert x 3/8" Insert

    Reducing Insert Coupling 1/2" Insert x 3/8" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Reducing Insert Coupling 1/2" Insert x 3/8" InsertAll listed "Insert" sizes fit corresponding Flexible...

    $3.99
  • Reducing Insert Coupling 5/8" Insert x 0.5" Insert

    AquaCave

    Reducing Insert Coupling 5/8" Insert x 0.5" Insert

    Reducing Insert Coupling 5/8" Insert x 0.5" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Reducing Insert Coupling 5/8" Insert x 0.5" InsertAll listed "Insert" sizes fit corresponding Flexible...

    $3.99
  • Reducing Insert Coupling, 1" Insert x 0.5" Insert

    AquaCave

    Reducing Insert Coupling, 1" Insert x 0.5" Insert

    Reducing Insert Coupling 1" Insert x 0.5" InsertReducing Insert Coupling 1" Insert x 0.5" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4070Item No. PL-HBF-ICR4

    $3.99
  • Reducing Insert Coupling, 1" Insert x 0.75" Insert

    AquaCave

    Reducing Insert Coupling, 1" Insert x 0.75" Insert

    Reducing Insert Coupling 1" Insert x 0.75" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Reducing Insert Coupling 1" Insert x 0.75" InsertAll listed "Insert" sizes fit corresponding...

    $3.99
  • Reducing Insert Coupling, 1/2" Insert x 1/4" Insert

    AquaCave

    Reducing Insert Coupling, 1/2" Insert x 1/4" Insert

    Reducing Insert Coupling, 1/2" Insert x 1/4" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Reducing Insert Coupling, 1/2" Insert x 1/4" InsertAll listed "Insert" sizes fit corresponding...

    $3.99
  • Reducing Insert Coupling, 1/4" Insert x 3/16" Insert

    AquaCave

    Reducing Insert Coupling, 1/4" Insert x 3/16" Insert

    Reducing Insert Coupling, 1/4" Insert x 3/16" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Reducing Insert Coupling, 1/4" Insert x 3/16" InsertAll listed "Insert" sizes fit corresponding...

    $3.99
  • Reducing Insert Coupling, 3/8" Insert x 1/4" Insert

    AquaCave

    Reducing Insert Coupling, 3/8" Insert x 1/4" Insert

    Reducing Insert Coupling, 3/8" Insert x 1/4" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Reducing Insert Coupling, 3/8" Insert x 1/4" InsertAll listed "Insert" sizes fit corresponding...

    $3.99
  • Spigot Adapter 90 deg. Elbow 0.5" Spigot x 0.5" Insert

    AquaCave

    Spigot Adapter 90 deg. Elbow 0.5" Spigot x 0.5" Insert

    Spigot Adapter 90 deg. Elbow 0.5" Spigot x 0.5" Insert.Fits female PVC fittings...Spigot Adapter 90 deg. Elbow 0.5" Spigot x 0.5" Insert90 deg. Elbow Spigot Adapters Spigot x Insert.Fits female PVC fittings.Product code: 4091Item No. PL-HBF-SA90-05

    $3.95
  • Y Hose Barb Connectors, 0.75" Insert

    AquaCave

    Y Hose Barb Connectors, 0.75" Insert

    Y Hose Barb Connectors, 0.75" InsertPlastic fitting. Translucent white color. Y Hose Barb Connectors, 0.75" InsertTranslucent white color. 3 sizes available.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not...

    $3.95
  •  Insert Coupling, 1" Insert x 1" Insert

    AquaCave

    Insert Coupling, 1" Insert x 1" Insert

    Insert Coupling, 1" Insert x 1" InsertInsert Coupling, 1" Insert x 1" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4065Item No. PL-HBF-IC1

    $2.99
  • Hose Barb Elbow Fitting 0.5" Insert x 0.5" Insert

    AquaCave

    Hose Barb Elbow Fitting 0.5" Insert x 0.5" Insert

    Hose Barb Elbow Fitting 0.5" Insert x 0.5" InsertAll listed sizes fit coresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Hose Barb Elbow Fitting 0.5" Insert x 0.5" InsertAll listed sizes fit coresponding Flexible Vinyl Hose I.D. size...

    $2.99
  • Insert Coupling, 0.75" Insert x 0.75" Insert

    AquaCave

    Insert Coupling, 0.75" Insert x 0.75" Insert

    Insert Coupling, 0.75" Insert x 0.75" InsertInsert Coupling, 0.75" Insert x 0.75" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4064Item No. PL-HBF-IC075

    $2.99
  •  Y Hose Barb Connectors, 0.25" Insert

    AquaCave

    Y Hose Barb Connectors, 0.25" Insert

    Y Hose Barb Connectors, 0.25" InsertPlastic fitting. Translucent white color. Y Hose Barb Connectors, 0.25"Translucent white color. 3 sizes available.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible...

    $2.95
  • Male Adapter, 1" MPT x 1" Insert

    AquaCave

    Male Adapter, 1" MPT x 1" Insert

    Male Adapter, 1" MPT x 1" InsertMale Adapter, 1" MPT x 1" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4083Item No. PL-HBF-MA1

    $2.95
  • Reducing Male Adapter 0.75" MPT x 0.5" Insert

    AquaCave

    Reducing Male Adapter 0.75" MPT x 0.5" Insert

    Reducing Male Adapter 0.75" MPT x 0.5" InsertReducing Male Adapter  0.75" MPT x 0.5" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4079Item No. PL-HBF-RMA7

    $2.95
  • Reducing Male Adapter 0.75" MPT x 1" Insert

    AquaCave

    Reducing Male Adapter 0.75" MPT x 1" Insert

    Reducing Male Adapter 0.75" MPT x 1" InsertReducing Male Adapter  0.75" MPT x 1" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4080Item No. PL-HBF-RMA8

    $2.95
  • Reducing Tee, 1" Insert x 1" Insert x 0.5" FPT

    AquaCave

    Reducing Tee, 1" Insert x 1" Insert x 0.5" FPT

    Reducing Tee, 1" Insert x 1" Insert x 0.5" FPTReducing Tee, 1" Insert x 1" Insert x 0.5" FPTAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4115Item No. PL-HBF-RT-IIF-2

    $2.95
  • Y Hose Barb Connectors, 0.5" Insert

    AquaCave

    Y Hose Barb Connectors, 0.5" Insert

    Y Hose Barb Connectors, 0.5" InsertPlastic fitting. Translucent white color. Y Hose Barb Connectors, 0.5" InsertTranslucent white color. 3 sizes available.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit...

    $2.95
  • Y Hose Barb Connectors, 3/8" Insert

    AquaCave

    Y Hose Barb Connectors, 3/8" Insert

    Y Hose Barb Connectors, 3/8" InsertPlastic fitting. Translucent white color. Y Hose Barb Connectors, 3/8" InsertTranslucent white color. 3 sizes available.All listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit...

    $2.95
  • Male Adapter, 0.75" MPT x 0.75" Insert

    AquaCave

    Male Adapter, 0.75" MPT x 0.75" Insert

    Male Adapter, 0.75" MPT x 0.75" InsertMale Adapter, 0.75" MPT x 0.75" InsertAll listed "Insert" sizes fit corresponding Flexible Vinyl Hose I.D. size (will not fit Flexible PVC).Product code: 4082Item No. PL-HBF-MA075

    $2.45
60 of 69 Items