Filters & Skimmers

Coast Spas Unicel hot tub filter, a compact 20 sq ft cartridge designed for select Strong Spas models. It measures 4-5/8 inches across and 7-1/4 inches long, with a closed top, semi-circular handle...

Coast Spas Unicel hot tub filter made to fit certain Master Spas and Nordic Spas hot tubs, removing fine particles and oils from the water. It is 4-15/16 inches in diameter and 9-1/4 inches long,...

Coast Spas Unicel hot tub filter, a pleated replacement cartridge for Coast Spas hot tubs and swim spas. The pleated media gives a wide surface for trapping hair, body oils, grit and fine particles...

Coast Spas Unicel hot tub filter cartridge, a long 65 sq ft filter for spas that use open-ended cartridges. It measures 5-5/16 inches in diameter and 14-13/16 inches long, with 2-1/8-inch open holes...

Coast Spas Unicel filter for Jandy pool filters, a large 100 sq ft cartridge for pool filtration rather than spa use. It measures 8-15/16 inches across and 23-5/16 inches long, with 4-inch open ends...

Coast Spas weir door foam, the buoyant insert that helps the skimmer weir door float at the water surface. When the foam waterlogs or breaks down, the door can stop rising and skimming suffers...

Coast Spas weir floating door subassembly in the GMB finish that controls how water enters the skimmer. The door helps the skimmer grab surface debris and keeps air from being drawn into the...

Coast Spas Wellis replacement antimicrobial filter that captures lotions, body oils and debris from Wellis spa water. Its antimicrobial media is designed to slow microbial growth within the cartridge...