303 Vinyl Protectant Balboa Heaters Primary Filter Cartridge with Cap:

Primary Filter Cartridge with Cap:

This kit is designed to treat a 350-450 gallon hot tub and is to be used with the sanitizer of your choice

If one of those lights is not working

Raises the total alkalinity

303 Vinyl Protectant Balboa Heaters Primary Filter Cartridge with Cap:303 Aerospace Protectant Use the best on your vinyl hot tub cover and no less! Matte finish with no oily and greasy residue Keeps treated surfaces looking new Prevents fading and cracking Restores lost color and luster Powerful UV blockers Anti Static, repels smudges, dust, soiling and staining Easy to use, simply spray on and wipe dry Safe and effective for vinyl, clear vinyl, gel coat, fiberglass, carbon fiber, synthetic natural rubber, plastics and