supply of 4 yearly overhauling kit for trident make air dryer consisting of 13 items as follows: 1 ) ad433 filter element 8qu 15 095= 01 no. 2 ) cd668 cup top filter = 01 no. 3 ) cd669 cup bottom filter = 01 no. 4 ) as443 spare kit filter bottom i ) co084 o ring ( 26.7 x 1.78 ) = 01 no. ( ii ) co086 o ring ( 88.57 x 2.62 ) = 01 no. 5 ) as444 spare kit valve double poppet = 01 no. i ) ad1590 poppet assly = 02 nos. ii ) co 009 o ring ( 31.6 x 2.4 ) = 01 no ( iii ) co083 o ring ( 41.00 x 1.78 ) = 01 no. ( iv ) co085 o ring ( 34.59 x 2.62 ) = 01 no. ( v ) co087 o ring ( 3 x 1.25 ) = 02 nos. ( vi ) cd675 filter bottom spring = 01 no. 6 ) as445 spare kit valve shuttle, ( i ) cc146 circlip b-45ss = 02 nos ( ii ) cd662 inlet shuttle = 01 no ( iii ) cd663 outlet shuttle = 01 no, ( iv ) co079 o ring ( 39.34 x 2.62 ) = 08 nos, 7 ) as446 spare kit purge valve = 02 nos, ( i ) ad1589 poppet assly = 01 no, ( ii ) cd661 exhaust spring = 01 no, ( iii ) co 002 o ring ( 28.17 x 3.53 ) = 02 nos ( iv ) co009 o ring ( 31.6 x2.4 ) = 01 no, ( v ) co034 o ring ( 3.5 x 1.25 ) = 02 nos ( vi ) co067 o ring ( 10 x 2.62 ) = 01 no. ( vii ) co 079 o ring ( 39.34 x 2.62 ) = 01 no. ( viii ) co 080 o ring ( 41.00 x 2.5 ) = 01 no. 8 ) cd 671 bag cartridge desiccant = 02 nos. 9 ) cd 673 spring compactor = 02 nos, 10 ) as447 spare kit seals tower = 01 no, ( i ) ag 028 gasket filter tower = 02 nos, ( ii ) cd192 gasket drying tower = 04 nos, ( iii ) co 034 o ring ( 3.5 x 1.25 ) = 01 no, ( iv ) co 082 o ring ( 46 x 6.0 ) = 01 no, 11 ) ad 925 humidity indicator-3-r1 = 02 nos, 12 ) as 079a gasket pad amisco solenoid valve = 02 nos, 13 ) as 709 spares kit seals controller box = 01 no, ( i ) ad 1013 controller box gasket = 01 no, ( ii ) ad 1014 controller cover gasket = 01 no, ( iii ) co 073 o ring ( 18.77 x 1.78 ) = 01 no. ( iv ) co 091 o ring ( 15 x 2.0 ) = 01 no. as per drg.no. xxxxx specn: xxxx [ warranty period: 30 months after the date of delivery ]