Tender For supply of porous ceramic filter element grade 10, 50/20 mm dia, 135 +/-3mm long, 5 microns nominal,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 months after the date of delivery ]