Refillable P21 cartridge
Marine grade CNC Machined stainless steel replacement cartridge for Bauer P21 filters.
Sold as a starter kit with 4 P21 refill kits and filling tool.
Refillable with the Aqua Air P21 refill kit.
Product Code:
AA-P21-SK (Stainless steel cartridge, 4 P21 refill kits, filling tool)