Hayward SP10821 SkimMaster In-Ground Pool Skimmer, Square ducting has tested and approved the

has tested and approved the 3M™ Particulate Cartridge 2076HF to help reduce exposure to certain particles and hydrogen fluoride

New part incorporated on all idl heaters built after 9/20/04

Very Fine Grade Abrasive for Refined Finishes (03064)

Hayward SPX1091F Wide Mouth Face Plate Replacement for Hayward Automatic Skimmers

Hayward SP10851OM Auto-Skim In-Ground Pool Skimmer

Hayward SP10821 SkimMaster In-Ground Pool Skimmer, Square ducting has tested and approved theHayward SP10821 SkimMaster In Ground Pool Skimmer, Square Cover collar allowing 1 1 2 inch vertical adjustment Snap in weir that adjusts automatically to 4 1 2 inch variation in water level Optional float by pass valve Stackable notched extension collar allows infinite vertical adjustment All SP1080 Series Skimmers are available with float valve and equalizer kit to meet specific NSF commercial requirements.