All the protection of a Sterasyl filter in Imperial OBE dimensions for even greater protection and effectiveness against all harmful substances (sediments, mud, rust) and microorganisms. The filter fits most commercial devices as it is OBE (Open Both Ends), meaning it is "open" from both sides.

It is made of high-quality ceramic material infused with silver and an active carbon core that acts as an antibacterial, preventing the growth of bacteria in the filter.

It is used as a pre-filter in double or triple countertop filters and as the first stage of retention for suspended solids (sediments, mud, rust) and pathogenic bacteria. 

Tested with live Cryptosporidium for removal efficiency > 99.999%