supply of yearly over hauling kit for trident make air dryer model no. ld2000140 as per schedule m-12 kit (as657) consisting of 05 items.yearly over hauling kit for trident make air dryer model no. ld2000140 as per schedule m-12 kit (as657) consisting of 05 items.,yearly over hauling kit for trident make air dryer model no. ld2000140 as per schedule m-1 2 kit (as657) consisting of 05 items (1) filter elements 8 qu 15095,part no .ad433 01 no. (2) cup top filt er , part no.cd668-01 no. (3) cup bottom filter ,part no. cd669-01 no. (4) spare kit filter bottom , part no . as443-01no.(5) spare kit valve double poppet , part no.as444-01 no as per pl no 11815590. [ warrant y period: 30 months after the date of delivery ] ]