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PVC Fittings

Looking for aquarium plumbing and PVC fittings? We have the fish tank plumbing parts you need for hard plumbing aquarium setups.

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

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