PT4RD 3M Fire Barrier Pass-Through Device , 2 in, Round (Pack of 6) coolers-and-bottles This durable shell offers a

This durable shell offers a large field of view (4

9 cubic feet of storage space with locking

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

000 gallons) as an initial treatment

Hayward® SwimClear™ CX480XRE 56 SqFt C2000/C2020/C2025-BI Replacement Cartridge Element

PT4RD 3M Fire Barrier Pass-Through Device , 2 in, Round (Pack of 6) coolers-and-bottles This durable shell offers a3M 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