supply of compressed air filter (model ff-80/15-1 of m/s fine filter,material carbon steel sand blasted andpower coated with 47/20x135 mm porous ceremicfilter or modified maxi-filter of m/s siemag with dieeast aluminium bowl and 31.5/26.5x39.4/34.4x67 mm sintered bronze filter) with 1/4 , compressed air filter (model ff-80/15-1 of m/s fine filter,material carbon steel sand blast ed and power coated with 47/20x135 mm porous ceremicfilter or modified maxi-filter of m/s siemag wit h die-east aluminium bowl and 31.5/26.5x39.4/34.4x67 mm sintered bronze filter) with 1/4 brass needl e valve for manual draining and 02 sets of 1/2 bsp nipple with union for inlet/outlet,minimum air flow capacity 60 nm3/hr,operating pressure upto 10 kg./cm2.test pressure 22 /cm2,operating temperature upto 70c,05 micron size,pressure drop maximum 2 psi in clean condition,maximum weight 7 kg. nos. [ warranty period: 30 months after the date of delivery ] ]