Supply Of Single Phase Propeller Type Ventilated Fans (exhaust Fans) No Of Blades: 04, Sweep Size In M M: 300, Suitable To Work On 230 V Ac, Single Phase, 50 Hz, With Accessories Such As Frame, Legs Set, Rubber Clamps And Other Hardware Etc. Item Name Louver Shutter, Confirming To Relevant Is:2312-1967 Or Latest. The Material Of Fan Blades And Fan Guard Should Be Metallic. [ Warranty Period: 30 Months After The Date Of Delivery ]