air louvers for sale, brand-new and used.

Welcome to CRAWL SPACE DOOR SYSTEMS, Inc. Delivering Innovative Flood and Air Products to Protect your Health and Crawlspace with the best products in the market. Outward Mounted Vent Cover (OMVC)

Type 1 Vent Hood. Overall Measurements: 120'' X 48 1/4'' X 24'' tall. Material: 18-GA Stainless Steel.

Worktop Freezer, 2 Doors, 60-1/4" Wide x 30" Front to Back, Backsplash, Stainless Steel, 5" Casters, Super Deluxe Series

Horizontal or down flow unit heater provides heat when one is looking to heat a large area. Ideal for warehouses, mechanical rooms, garages and other large spaces. • Off White Finish,650 CFM (Air flow),38 Lbs,7,500 watts (25,600 BTU's),480 volts 3 phase hard wired (Commercial Voltage),9.0 Amps, 1/30 Motor HP,14 AWG Wire Size Heater Dimensions 19” Wx21 3/4” Hx7 1/2” D • Heavy gauge die-formed steel housing.

The EXUB are explosion-proof electric air heaters, designed to meet the most demanding requirements of heavy industry. EXUB unit heaters can provide primary or supplementary heating for comfort, or freeze protection in areas that are classified as hazardous locations.

SUPPLY AIR GRILLE 8 in. x 8 in. Silver Aluminum Supply Air Vent Grille with Adjustable Two Directional Blades : Supply Throat Size is 8 x 8 Trim Overall Size is 10x10 Louvers Blades in both directors for precise airflow adjustments Seller cleaned and refurbished to a near new condition sold as is.

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[ Dayton 51200 BtuH, 1 or 3 Phase, Electric Unit Heater

*WE OFFER FREE SHIPPING TO ANYWHERE IN THE CONTIGUOUS (LOWER 48) UNITED STATES. ALL OTHER DESTINATIONS, PLEASE CONTACT US FOR A FREIGHT QUOTE* ________________________________________________________________________________________________________________ Model: VIRWBB202157 Condition: New Description: Electric Unit Heater - Industrial/Commercial

*WE OFFER FREE SHIPPING TO ANYWHERE IN THE CONTIGUOUS (LOWER 48) STATES. ALL OTHER DESTINATIONS, PLEASE CONTACT US FOR A FREIGHT QUOTE* ________________________________________________________________________________________________________________ Model: VIR7483 Condition: New Description: Panel Exhaust Fan - Commercial

Used Reznor 140 Waste Oil Heater No Reserve You are bidding on a Used Reznor 140 waste oil heater, heater only. It’s designed to be used in shops and garages. When Burning Used Oil—You Have Free Heat!!

The OAFE-1500 is an Air Movement and Control Association International- (AMCA-) certified outdoor airflow measurement system with ±0.5 percent accuracy through the velocity range of 200-1,200 fpm and ±5 percent at 100 fpm. The airflow measurement station consists of multiple airflow elements, factory mounted and pre-piped in a casing designed for flanged connection to ductwork, control dampers, louvers, etc.

The OAFE-1500 is an Air Movement and Control Association International- (AMCA-) certified outdoor airflow measurement system with ±0.5 percent accuracy through the velocity range of 200-1,200 fpm and ±5 percent at 100 fpm. The airflow measurement station consists of multiple airflow elements, factory mounted and pre-piped in a casing designed for flanged connection to ductwork, control dampers, louvers, etc.

Two (2x) new white 14" x 24" gable end air vents.  These 14"x24" gab

*WE OFFER FREE SHIPPING TO ANYWHERE IN THE CONTIGUOUS (LOWER 48) UNITED STATES. ALL OTHER DESTINATIONS, PLEASE CONTACT US FOR A FREIGHT QUOTE* ________________________________________________________________________________________________________________ Model: VIRVI2412HLU Condition: New