supply of portable fire extinguishers, capacity: 6kg, powder based (as per is: 4308/2019), with anti-theft mechanism. , portable fire extinguishers, capacity: 6kg, powder based (as per is: 4308/2019), with an ti-theft mechanism. suitable for fire class: a,b,c, type: stored pressure dcp type, propellant: high gra de dry nitrogen (is:1747-2023, n 5.0 grade), working pressure: 15 kgf/cm2. cylinder body : stainless steel aisi: 316l, with wall mounting bracket and hook. remarks: (i) powder and (ii) fire extinguisher, b oth should be isi marked. drg.no.---- , spec:matl.& specn : mdts-46270, revision-06 [ warranty perio d: 84 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]