Unicel 4CH-935 Replacement Filter Cartridge | 35 sq. ft. | Waterway Teleweir Control Valves Filbur FC-9540

Filbur FC-9540

The Hayward Flame Sensor (IDXLFLS1930) is the OEM replacement flame-sensing component for Hayward Universal H-Series gas pool and spa heaters

2 Diffuser O-Rings (O-64) & (O-275)

Length 19 5/8" Outer Diameter 7" Top Inner Diameter 3" Bottom Inner Diameter 3" Material 4 oz

Start with one tablet per 10

Unicel 4CH-935 Replacement Filter Cartridge | 35 sq. ft. | Waterway Teleweir Control Valves Filbur FC-9540The Unicel 4CH 935 is a 4000 Series 35 sq. ft. replacement filter cartridge precision engineered for Waterway Teleweir Skim Filters and compatible hot tub systems. With 219 pleats of 3 oz. Reemay 2033 polyester media, this cartridge delivers exceptional dirt holding capacity and long service life keeping water cleaner between cleanings and extending time between replacements. IMPORTANT: Master Spas Eco Pur Owners Verify Overall Length Before Ordering