purchase of fire extinguisher , supply of new fire extinguisher and fixing , abc stored pressure type various capacity , fire extinguisher with initial change , valve , pressure gauge , nozzle , wall fixing bracket etc confirming to is 15683 with isi mark with fixing charges , a ) 0 . 5 kg , b ) 1 kg , c ) 2 kg , d ) 4 kg , e ) 6 kg , f ) 9 kg , co2 type various capacity fire extinguisher complete with initial charge , valve , bend with abs horn , handle , wall fixing bracket etc conforming to is 15683 with isi mark with fixing charges , a ) 2 kg , b ) 4 . 5 kg , c ) 6 . 5 kg , refiling of fire extinguisher , abc stored pressure type various capacity , fire extinguisher with initial change , valve , pressure gauge , nozzle , wall fixing bracket etc confirming to is 15683 with isi mark with fixing charges , a ) 0 . 5 kg , b ) 1 kg , c ) 2 kg , d ) 4 kg , e ) 6 kg , f ) 9 kg , co2 type various capacity fire extinguisher complete with initial charge , valve , bend with abs horn , handle , wall fixing bracket etc conforming to is 15683 with isi mark with fixing charges , a ) 2 kg , b ) 4 . 5 kg , c ) 6 . 5 kg , water ( co2 ) trolley mounted type fire extinguisher 50 ltr capacity as per is 13385 specifications