Biolab INC. NC03215 1 Litre Filter Perfect Spa Swimming pools can be the focal point of some serious fun. We provide a wide selection of pool supplies and spa products means less time and effort maintaining and more time enjoying the good life. Buy our products and let the fun begin. Features Filter Perfect is a highly concentrated all natural enzyme that acts as a deep cleaning solution for pool and spa filters It breaks down oils and minerals to improve water clarity and filter efficiency Effective on cartridge, D.E and sand filters Compatible with all sanitizers Non-toxic and will not harm the environment Reduces frequency of filter cleanin Cleans both pool and spa filters Specifications Capacity: 1 Litre