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At AquaCave, we offer some of the best selection & best prices on Aquarium filter accessories for you marine, reef, and freshwater aquarium.

36 of 36 Items
  • CustomFlo Water System Complete Kit by Pentair Aquatics CustomFlo Water System Complete Kit by Pentair Aquatics

    Pentair Aquatics

    CustomFlo Water System Complete Kit by Pentair Aquatics

    Customflo Water System is a new complete system that enables the creation of any desired flow patterns in a ny size aquarium tank and with any make or filter size...Customflo Water System is a new complete system that enables the creation of any desired...

    $69.95
  • Marine Pure VAULT Marine Pure VAULT

    Marinepure

    Marine Pure VAULT

    Marine Pure VAULT Secure container to keep your MarinePure Biofilter Media safe and helps keep sump organized and easier to keep clean. Easy to assemble and it can also be used as a protein skimmer. Stackable, you can stack them together for larger...

    $59.99
  • Stainless Steel Intake Return Pipe 18" long Stainless Steel Intake Return Pipe 18" long

    AquaCave

    Stainless Steel Intake Return Pipe 18" long

    Stainless Steel Intake Return Pipe 18" long Fits 5/8" ID Tubing Stainless steel Return Pipes offer an incredibly durable and sleek looking alternative to standard filter returns for a variety of different types of aquarium filters or pumps. They are...

    $44.95
  • Fluval FX Spray Bar Kit Fluval FX Spray Bar Kit Fluval FX Spray Bar Kit Fluval FX Spray Bar Kit Fluval FX Spray Bar Kit

    Fluval

    Fluval FX Spray Bar Kit

    Fluval FX Spray Bar Kit DESCRIPTION The Fluval FX Spray Bar is used to direct water to any area of the aquarium. By doing so, increases surface agitation and improves oxygenation which is essential for a healthy aquarium. Features: Specifically...

    $39.99
  • Stainless Steel Intake Return Pipe Kit 14" long Stainless Steel Intake Return Pipe Kit 14" long

    AquaCave

    Stainless Steel Intake Return Pipe Kit 14" long

    Stainless Steel Intake Return Pipe 14" long Fits 1/2" ID Tubing Stainless steel Return Pipes offer an incredibly durable and sleek looking alternative to standard filter returns for a variety of different types of aquarium filters or pumps. They are...

    $39.95
  • Fluval SK400 Surface Skimmer Fluval SK400 Surface Skimmer Fluval SK400 Surface Skimmer Fluval SK400 Surface Skimmer Fluval SK400 Surface Skimmer

    Fluval

    Fluval SK400 Surface Skimmer

    Fluval SK400 Surface Skimmer The SK400 Surface Skimmer removes unwanted water surface film to help improve oxygenation and light penetration for a cleaner and healthier aquarium. Over time, surface films can develop from oils on your skin, household...

    $29.99
  • Eheim Prefilter for External Canister and Powerhead

    Eheim

    Eheim Prefilter for External Canister and Powerhead

    Eheim Prefilter for External Canister and Powerhead This extra prefilter traps the majority of coarse dirt particles, even before the water reaches the external filter. Its base rests securely on the bottom of the aquarium. The water is drawn in all...

    $14.95
  • Eshopps Blue 1" PVC Pipe Plumbing Kit Eshopps Blue 1" PVC Pipe Plumbing Kit

    Eshopps

    Eshopps Blue 1" PVC Pipe Plumbing Kit

    Eshopps Blue Pro Plumbing Kit Vibrant, polished plumbing with no markings, lettering or stamping.Solid coloring, no light spills, eliminating algae growth.Easy assembly and disassembly with unions for maintenance or expansion.Rigid, strong construction...

    $12.99
  • Eshopps Red 1" PVC Pipe Plumbing Kit Eshopps Red 1" PVC Pipe Plumbing Kit

    Eshopps

    Eshopps Red 1" PVC Pipe Plumbing Kit

    Eshopps Red Pro Plumbing Kit Vibrant, polished plumbing with no markings, lettering or stamping.Solid coloring, no light spills, eliminating algae growth.Easy assembly and disassembly with unions for maintenance or expansion.Rigid, strong construction...

    $12.99
  • Eshopps Red/Blue 1" PVC Pipe Plumbing Kit Eshopps Red/Blue 1" PVC Pipe Plumbing Kit

    Eshopps

    Eshopps Red/Blue 1" PVC Pipe Plumbing Kit

    Eshopps Combo Pro Plumbing Kit Vibrant, polished plumbing with no markings, lettering or stamping.Solid coloring, no light spills, eliminating algae growth.Easy assembly and disassembly with unions for maintenance or expansion.Rigid, strong construction...

    $12.99
  • 7" x 16" Micron Felt Bag

    7" x 16" Micron Felt Bag

    7" x 16" Micron Felt BagThe media bags we carry are a combination of felt material and polyester mesh material sewn together.7" x 16" Micron Felt BagThe media bags we carry are a combination of felt material and polyester mesh material sewn together...

    $11.95
  • Filter Max 3 Prefilter Filter Max 3 Prefilter

    Aquarium Technology

    Filter Max 3 Prefilter

    Filter Max 3 Prefilter The Filter Max Prefilters provide filtration of water before entering the main filter. They prevent debris from clogging the filter media and at the same time provide biological filtration. These prefilters Can be used with most...

    $11.95
  • Prefilter Foam Square, Large Prefilter Foam Square, Large

    Eshopps

    Prefilter Foam Square, Large

    Prefilter Foam Square, LargeDimensions: 13 1/4" x 3 7/8" x 2 1/8"Prefilter Foam Square, LargeDimensions: 13 1/4" x 3 7/8" x 2 1/8"Product code: 1790Item No. FT-ES-19070

    $10.99
  • 7" x 12" Micron Felt Bag

    7" x 12" Micron Felt Bag

    7" x 12" Micron Felt BagThe media bags we carry are a combination of felt material and polyester mesh material sewn together.7" x 12" Micron Felt BagThe media bags we carry are a combination of felt material and polyester mesh material sewn together...

    $9.95
  • Filter Max 2 Prefilter Filter Max 2 Prefilter

    Aquarium Technology

    Filter Max 2 Prefilter

    Filter Max 2 Prefilter The Filter Max Prefilters provide filtration of water before entering the main filter. They prevent debris from clogging the filter media and at the same time provide biological filtration. These prefilters Can be used with most...

    $9.95
  • Pre-filter Foam Round, Large

    Eshopps

    Pre-filter Foam Round, Large

    Pre-filter Foam Round, Large Dimensions: 7" Long x 3" dia. 1" hole dia. Pre-filter Foam Round, Large Dimensions: 7" Long x 3" dia. 1" hole dia. Product code: 1789Item No. FT-ES-19055

    $8.99
  • Filter Max 1 Prefilter Filter Max 1 Prefilter

    Aquarium Technology

    Filter Max 1 Prefilter

    Filter Max 1 Prefilter The Filter Max Prefilters provide filtration of water before entering the main filter. They prevent debris from clogging the filter media and at the same time provide biological filtration. These prefilters Can be used with most...

    $8.95
  • Prefilter Foam Round, Small

    Eshopps

    Prefilter Foam Round, Small

    Prefilter Foam Round, SmallDimensions: 7" Long x 2 3/8" dia. 1" hole dia. Prefilter Foam Round, SmallDimensions: 7" Long x 2 3/8" dia. 1" hole dia. Product code: 1788Item No. FT-ES-19050

    $7.99
36 of 36 Items