Waterway 5" Super Hi-Flo Wall Fitting [2-1/2" x 3-3/8" HS] (215-3610) skimfilters Trim rings are useful because

Trim rings are useful because they help finish the visible opening around the fitting

this Mundial Syllent pump helps support reliable water movement

the topside has a more finished look

This Anderson Manufacturing A+B Epoxy Putty [15

Waterway 5" Super Hi-Flo Wall Fitting [2-1/2" x 3-3/8" HS] (215-3610) skimfilters Trim rings are useful becauseThe Waterway 215 3610 Super Hi Flo wall fitting is designed for compatible suction applications and features a 2 1 2 inch connection with a 3 3 8 inch hole size. A fitting like this is useful because it restores the structural body of the suction assembly while preserving the larger plumbing format used by the original installation. Larger wall fittings should be matched carefully because plumbing size and mounting dimensions both affect fit. This