Published by YUNDA H&H TECH (Tianjin) Co.,Ltd2022-03-22

High quality NSF 50 tested spa & hot tub water filter compatible with Watkins 31114. Support wholesale business buying. Welcome commercial inquires.

Published by YUNDA H&H TECH (Tianjin) Co.,Ltd2022-03-22

Compatible with Pleatco PWK30, Unicel C-6430, Filbur FC-3915, Watkins 31489 spa filter cartridges. NSF 50 qualified. Support private label bulk order manufacturing.

Published by YUNDA H&H TECH (Tianjin) Co.,Ltd2022-12-19

This 4CH 935 filter cartridge is made of totally NSF/ANSI 50 certified premium fabrics to reach a safe as well as effective filtration. Our factory does built-to-order OEM services.

Published by YUNDA H&H TECH (Tianjin) Co.,Ltd2022-12-19

Our spa filter cartridge is tested and certified agaisnt NSF/ANSI standard 50. Accept customization making orders on commercial business bulk purchase.

Published by YUNDA H&H TECH (Tianjin) Co.,Ltd2023-01-13

Pleatco PDM25P4 comparable compatible hot tub filter cartridge replacements. Our products have been tested and accredited by IAPMO against NSF/ANSI standard 50.