Porous Ceramic Filter Element Grade 10, 50/20 Mm Dia, 135 +/-3Mm Long, 5 Microns No Minal,Made Out Of Fused Alumina With 2 Nos Of Gaskets Of Size 50X20X4Mm, One No. Of O-Ring Of Size 19X14X2.5Mm And One No. Of O-Ring Of Size 75X65X5Mm For Main Shell [ Warranty Period: 30 Mont Hs After The Date Of Delivery ] ]