annual maintenance contract of various type of fire extinguisher in chennai north circle , refilling of various type of fire extinguisher , dcp type 5 kgs fire extinguisher , dcp type 6 kgs fire extinguisher ( stored pressure type ) , dcp type 9 kgs fire extinguisher ( stored pressure type ) , dcp type 10 kgs fire extinguisher , dcp type 22 . 5 kgs fire extinguisher , dcp type 25 kgs fire extinguisher , co2 type 4 . 5 kgs fire extinguisher , co2 type 6 . 5 kgs fire extinguisher , mechanical foam type 9 ltrs fire extinguisher ( stored pressure ) , mechanical foam type 9 ltrs fire extinguisher , mechanical foam type 50 ltrs fire extinguisher , chemical foam type 9 ltrs fire extinguisher , chemical foam type 45 ltrs fire extinguisher , spare for mechanical foam type 9 ltr and stored pressure and chemical foam 9 ltr fire extinguisher , pvc inner container , cap washers , gun metal cap , nozzle , co2- gas cartridge refilling , hose set , spare for mechanical foam type 50 ltr and chemical foam 45 ltr fire extinguisher , gun metal cap , wheel set , nozzle , co2- gas cartridge refilling , hose set , outer shell , spare for dcp 5 & 6 kg capacity fire extinguisher , gun metal cap , safety clip , inner container , co2- gas cartridge refilling , hose set , nozzle , outer shell , cap washers , spare for dcp 9 & 10 kg capacity fire extinguisher , gun metal cap , inner container , co2- gas cartridge refilling , nozzle , hose set , outer shell , cap washers , safety clip , squeeze grip nozzle , spare for dcp 22 . 5 kg & 25 kg capacity fire extinguisher , co2 gas catridge , hose set , cap washers , safety clip , squeeze grip nozzle , gun metal cap , nozzle , wheel set , spare for co2 4 . 5 and 6 . 5 kg capacity fire extinguisher , hose with horn , safety pin , safety ring , control valve , horn with bend , horn , wheel set , others , painting charges - portable type , painting charges - trolly type , painting charges - fire bucket , painting charges - bucket stand , painting charges - fire extinguisher stand , fire bucket , cap service , instruction stickers , stenciling charges , laminated fire classification chart mounted on board , first aid chart , first aid box with medicine , shock treatment chart , artificial respirator mask , gst