supply of heavy duty air cylinder , heavy duty air cylinder, 2a series, to size 4 bore, 4 stroke, 1 3/8 dia rod, both ends cushioned, side lug mount, style 4, to m/s.parker model no.4cc2auv34ac4 or similar t o parker make with catalogue. note : 1)piston rod and gland seals shall be of m/s parker m ake only. 2) documentary evidence shall be furnished along with the supply for having pro cured seals and gland from m/s parker or their authorised dealers. 3)firm should furnish i nspection / test certificate along with the supply. 4) firm should furnish warranty / guaran tee certificate for their product. [ warranty period: 30 months after the date of delivery ] ]