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Cooling Tower replacement media for ALL towers. BAC, Marley’s, Evapco.  

Evaporative media for all HVAC commercial applications.  

The original 3-ply panel filter. Tri-De k: the first and best depth loading synthetic media.

Leader in Gas Phased Filtration, providing Activated Carbon & Specialty Media, Disposable & Refillable Vapor Phase Filters & Equipment.  

Providers of Heavy-Duty, Light-Duty, Banded, Synchronous V-Ribbed and Specialty Belts for the HVAC and Power Transmission industries.  

Manufacturer of HVAC, Turbine, and High Performance Filters, including Bag Filters, Pleated Filters, Activated Carbon Filters, Cartridge Air cleaner Filters, Air Filter Frames, Side Access Housings, and HEPA Filters.