Unicel 4CH-949 Replacement Filter Cartridge | 50 sq. ft. | Spa Skimmer Spa Chemical Balancers ⚠️ IMPORTANT: INDIVIDUAL CARTRIDGE —

⚠️ IMPORTANT: INDIVIDUAL CARTRIDGE — FOUR REQUIRED PER SYSTEM

Make additions of 2-4 fluid ounces of this product per 10

PTFE based

100% ascorbic acid- premium stain fighter

Unicel 4CH-949 Replacement Filter Cartridge | 50 sq. ft. | Spa Skimmer Spa Chemical Balancers ⚠️ IMPORTANT: INDIVIDUAL CARTRIDGE —The Unicel 4000 Series 4CH 949 delivers 50 sq. ft. of filtration surface area across 210 precision pleated folds of 3 oz. Reemay 2033 polyester media purpose built for top load spa skimmer systems using a 1 1 2" male SAE stand pipe. The 2" female SAE threaded bottom cap threads directly onto the standpipe for a secure, tool free installation, while the v groove semi circular handle allows easy cartridge removal without breaking the seal prematurely.