Osmio EZFITPRO-100 Undersink Water Filter Kit 15mm Push FitFits onto a 15mm pipe. NSF certified coconut based carbon block for chlorine and more to produce better taste and odour. Makes all the water on the cold side filtered. Fits onto a 15mm pipe. NSF certified coconut based carbon block for chlorine and more to produce better taste and odour. Makes all the water on the cold side filtered. How it works Inline Water Filter 15mm The Osmio filter housings with buttress threads for 9 3 4 in. filter cartridges