KN20-1B - 20" Big Blue housing
20" Big Blue housing with high performance is widely used in household, industry and services. 1" Threads. Single o-ring. Housing can be mounted individually or in series to form a filtration kits. Opaque body housing protects the water from the result of the process of photosynthesis, when the filter is installed in direct sunlight. The body works with all standard inserts 20"BB.