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Both ends feature hose barb inserts. Available sizes include 1/2" x 1/2", 3/4" x 3/4" and 1" x 1".

Both ends feature hose barb inserts. Available sizes include 1/2" x 1/2", 3/4" x 3/4" and 1" x 1".

Both ends feature hose barb inserts. Available sizes include 1/2" x 1/2", 3/4" x 3/4" and 1" x 1".

Both ends of these reducing adapters have hose barb inserts for use with flexible tubing.

Both ends of these reducing adapters have hose barb inserts for use with flexible tubing.

Great intake and return for canister and wet/dry filters.12/16 mm sets accommodate 1/2" tubing or Eheim metrictubing. 16/22 mm sets fit 5/8" tubing or Eheim metric tubing. Installation Set 1 is an intake strainer for safe and complete circulation of deep aquariums. Installation Set 2 is a spraybar output for better surface agitation.

Great intake and return for canister and wet/dry filters.12/16 mm sets accommodate 1/2" tubing or Eheim metrictubing. 16/22 mm sets fit 5/8" tubing or Eheim metric tubing. Installation Set 1 is an intake strainer for safe and complete circulation of deep aquariums. Installation Set 2 is a spraybar output for better surface agitation.

Great intake and return for canister and wet/dry filters.12/16 mm sets accommodate 1/2" tubing or Eheim metrictubing. 16/22 mm sets fit 5/8" tubing or Eheim metric tubing. Installation Set 1 is an intake strainer for safe and complete circulation of deep aquariums. Installation Set 2 is a spraybar output for better surface agitation.

Great intake and return for canister and wet/dry filters.12/16 mm sets accommodate 1/2" tubing or Eheim metrictubing. 16/22 mm sets fit 5/8" tubing or Eheim metric tubing. Installation Set 1 is an intake strainer for safe and complete circulation of deep aquariums. Installation Set 2 is a spraybar output for better surface agitation.

Encourages fertility in your fish and lush growth in your aquarium plants. Enhances the ability of plant microflora and microfauna to obtain nutrients and energy from water and to utilize light. Biologically discourages algae and parasites, while enhancing biological filtration. Recommended for discus, angelfish, tetras, killies, gouramis, and other rainforest fish. 16 ounces treats 960 gallons.