Platypus GravityWorks Replacement Filter Eureka Each Suncloud polarized lens is

Each Suncloud polarized lens is manufactured with optical grade Polycarbonate using an injection molding process to ensure exceptional clarity and associated optical properties

Approximate filter life of 1500L depending on quality of water filtered

Adjustable length and metal 'military' belt buckle

Nylon cord easily loops around your helmet strap

then the cores would not match and you would have 3 different keys for the rack

Platypus GravityWorks Replacement Filter Eureka Each Suncloud polarized lens isEffective down to . 2 microns and meets EPA Guide Standards for the removal of bacteria and protozoa. Approximate filter life of 1500L depending on quality of water filtered. Ships to Canada Only