Plastic Return Air Filter Housing w/Back by 1800 Ceiling
2′×2′ Plastic Air Return with collar sizes from 6" to 20". Ideal for MRI Room...
4760MF MILL FINISH ALUMINUM EGG CRATE by 1800 Ceiling
Plastic Diffuser with 4 metal nuts by 1800 Ceiling
*Durable ABS material. *Has 4 metal nuts hidden in plenum for added strength ...
Filtered Air Diffuser by 1800 Ceiling
Filter the air as it leaves the HVAC vent system. Plus stop cold air from blo...
MRI ROOM Plastic Diffuser by 1800 Ceiling
Great MRI Rooms *NO METAL PARTS *Durable ABS material. Will not rust. *Will ...