PT4RD 3M Fire Barrier Pass-Through Device , 2 in, Round (Pack of 6) coolers-and-bottles 000 gallons) as an initial

000 gallons) as an initial treatment

The cartridge is NIOSH (National Institute for Occupational Safety and Health) approved for environments containing certain organic vapors and acid gases

UNICEL 100SQF Predator/Clean & Clear Cartridge Elemeny C-9410

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

1 – hazardous cards

PT4RD 3M Fire Barrier Pass-Through Device , 2 in, Round (Pack of 6) coolers-and-bottles 000 gallons) as an initial3M 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