PT4RD 3M Fire Barrier Pass-Through Device , 2 in, Round (Pack of 6) coolers-and-bottles reducer bushings are included

reducer bushings are included

000 gallons) as an initial treatment

1 – hazardous cards

This durable shell offers a large field of view (4

filter is made of fiberglass-reinforced polypropylene for superior strength and reliability

PT4RD 3M Fire Barrier Pass-Through Device , 2 in, Round (Pack of 6) coolers-and-bottles reducer bushings are included3M Fire Barrier Pass Through Device PT4RD, 4 in, Round (Pack of 6) Fire stop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479) UL classified L rating, Hot and Cold Smoke Seal (foam smoke seal) Ideal for electrical, data and communication applications Re enterable fire stop device for blank openings, single or multiple penetrants in new or retrofit construction One piece, hinged metal enclosure makes installations fast and easy