2 PACK Clarathon Spa Filter Cartridges for: Aero Spa , Aqua, Blue Wave, Swim Time, TheraPure, Therma Spa, Thera-Spa
Clarathon  Ultra Filters are the world's finest quality filter cartridges. Clarathon filters equal or surpass the filters that originally came with your spa in effectiveness and durability. You cannot buy a better filter at any price. Insist on the Clarathon label - avoid cheap knock-off cartridges.