Pentair FNS Plus DE Filter, 48 sq ft | 180008 category_gas-patio-heaters With its 50

With its 50

It helps prevent the heater from firing when there is insufficient flow

Debris entering heaters

37347 is the manufacturer SKU for this Zodiac 2-Inch Union No Cup Strainer Replacement

prolonged sunlight when not in use to preserve flexibility and longevity

Pentair FNS Plus DE Filter, 48 sq ft | 180008 category_gas-patio-heaters With its 50The Pentair 180008 FNS Plus 48 D. E. Filter is a 48 sq. ft. vertical grid diatomaceous earth filter designed for high quality pool water filtration and reliable everyday performance. It is a strong replacement option for older Pentair 4000 Series D. E. filters and is built to provide clean, clear water with the filtration quality D. E. systems are known for. Product Overview The FNS Plus 48 uses a fiberglass reinforced polypropylene tank and a