Spears 401030 3" PVC Schedule 40 Tee Hayward cartridge filter elements are

Hayward cartridge filter elements are made of a superior reinforced polyester material

Solstice SuperChill single sport tube

while the "see-thru" head lets you view the bottom while you are cleaning

8 make a full pizza

Spears 401030 3" PVC Schedule 40 Tee Hayward cartridge filter elements areSpears Schedule 40 PVC fitting designs combine years of proven experience with computer generated stress analysis to yield the optimum physical structure and performance for each fitting. Material reinforcement is uniformly placed in stress concentration areas for substantially improved pressure handling capability. Resulting products are subjected to numerous verification tests to assure the very best PVC fittings available. Smooth interior walls