Darlly Filtration 70903 Spa/Pool FIlter Cartridge watertech The Waterway 550-9009-DSG weir door

The Waterway 550-9009-DSG weir door assembly is designed for compatible front access skimmer applications and comes in dark gray

This type of part is especially useful when the original O-ring has lost elasticity

This type of part is especially useful when replacing a dedicated single-speed load cord without altering the broader system design

A pump may seem close enough on paper

Waterway self-aligning union

Darlly Filtration 70903 Spa/Pool FIlter Cartridge watertech The Waterway 550-9009-DSG weir doorA spa or pool filter cartridge helps maintain water quality by trapping suspended debris during system circulation, and this Darlly Filtration cartridge is designed for compatible applications using the 70903 reference. When a cartridge becomes dirty, worn, or unreliable, the filtration system can feel less effective than it should. The application specific reference gives this cartridge practical value because cartridge replacement works best when it