AMAZON RETURN – OPEN BOX. This is an open box Amazon return. Box is beat up. Please review pics for best condition description. Replace your old spa filter with the new Watkins Hot Spring Grandee Tri-X Replacement Filter. Hot Spring Spa filters are a vital part of any spa system. Spa filters regulate the water that enters your spa and keep debris, dirt, and other items from floating into the pipes and damaging the pump and inner workings of your hot tub.

AMAZON RETURN – OPEN BOX. This is an open box Amazon return. Box is beat up. Please review pics for best condition description. Replace your old spa filter with the new Watkins Hot Spring Grandee Tri-X Replacement Filter. Hot Spring Spa filters are a vital part of any spa system. Spa filters regulate the water that enters your spa and keep debris, dirt, and other items from floating into the pipes and damaging the pump and inner workings of your hot tub.