PVC Fittings for Aquariums

Marine Depot has the specialty marine aquarium pipe fittings and other aquarium parts you need for your fish tank plumbing.

PVC fittings are listed according to PVC pipe sizes, not the actual measurement of the part. So, a 1 inch slip elbow does not measure 1 inch but fits onto 1 inch PVC pipe. PVC fittings are categorized by the types of connections they make:

MPT, or male pipe thread, has threads on the outside wall
FPT, or female pipe thread, has threads on the inside wall
A PVC slip fitting, or slip fit, has no threads and connects to PVC pipe
PVC insert fittings, or hose barb fittings, connect to aquarium tubing (not flex PVC pipe)
A reducer fitting reduces PVC size
35 Results
Spears Union Fitting - 1 Inch Slip x 1 Inch Slip

Spears Union Fitting - 1 Inch Slip x 1 Inch Slip

WYE Fitting - 1 inch Slip x 1 inch Slip x 1 inch Slip

WYE Fitting - 1 inch Slip x 1 inch Slip x 1 inch Slip

Spears Union Fitting - 3/4 Inch Slip x 3/4 Inch Slip

Spears Union Fitting - 3/4 Inch Slip x 3/4 Inch Slip

Male Adapter Fitting - 3/4 inch MPT x 3/4 inch Slip

Male Adapter Fitting - 3/4 inch MPT x 3/4 inch Slip

Male Adapter Fitting - 1-1/2 inch MPT x 1-1/2 inch Slip

Male Adapter Fitting - 1-1/2 inch MPT x 1-1/2 inch Slip

Spears Union Fitting - 1-1/2 Inch Slip x 1-1/2 Inch Slip

Spears Union Fitting - 1-1/2 Inch Slip x 1-1/2 Inch Slip

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