Nautilus/FNS Air Bleeder Screw With O-Ring inlet-pipe-size_12" This item is designed to

This item is designed to fit Raypak pool heater and/or spa heater models ELS 552-2

This pool depth marker states 11 IN and is printed with 4 Inch letters and has an overall size of 9 Inch x 6 Inch

Our low-height Model 500 lifeguard chair has a seat height of 30 inches and is engineered from marine grade plastic - the same type of materials used daily in ocean and hazardous environments

The vertical adjustment range is up to 15/16 of an inch

Nautilus/FNS Air Bleeder Screw With O-Ring inlet-pipe-size_12" This item is designed toThis is a Pentair 273512 Air Bleeder with O Ring for Nautilus and Nautilus Plus D. E. Filters, FNS D. E. Filters, Triton C, C 3 Filters and 6 Way 1 1 2 Inch HiFlow MultiPort Valves.