Arm and Hammer Industrial Blend Sodium Bicarbonate - Alkalinity Increaser - 50 Lbs. filter-length_23 3/4 inches It predrilled in each corner

It predrilled in each corner for easy hanging or mounting

APCO2422 Lid O-ring for SPX1500P

and strainer basket

This is a CAT/Hayward Santoprene Feeder Tube replacement

Arm and Hammer Industrial Blend Sodium Bicarbonate - Alkalinity Increaser - 50 Lbs. filter-length_23 3/4 inches It predrilled in each cornerThis is a 50 pound bag of Sodium Bicarbonate from Arm and Hammer. This product functions as a buffer, sanitizer, acid neutralizer, source of carbon dioxide, and a mild abrasive. It is used to increase Alkalinity and pH in swimming pools and spas. Sodium Bicarbonate is an excellent odor absorber, and it provides carbonate alkalinity. These useful functions make sodium bicarbonate an essential ingredient in water treatment.