Bartlett provides Nuclear-Grade HEPA systems to maintain air quality during activities which have the potential to create air-born contamination
Bartlett offers full design capabilities to 10,000 cfm. Systems include smoke eaters, demisters and bag-in/bag-out housings. Standard models and replacement filters in stock.
There are many different models available, including the NEW AP-500, AP-1000, AP-2000, and AP-4000.
To complement our ventilation systems, Bartlett offers a full range of replacement parts and accessories such as filters, mufflers (HEPA Muzzler,) and incinerable ducting (Radflex) for use with these unites.

Hepa Muzzler – Ventilation System Sound Attenuators
• Fan Tip Noise Attenuation
• Exhaust Air Turbulence Reduction
• Typical Sound Suppression 8-12 dB
• Stainless Steel Construction
• Slip Over Design
• Easy Installation
• Lightweight (units shown are 13 lbs. & 15 lbs.)

Lightweight and flexible, Radflex will withstand the vacuum of HEPA units used for the ventilation of air in the workplace.
The close pitch helix eliminates hose collapsing and allows for a smooth bend radius, even on 90 degree turns.
Radflex is Duratek-Certified inimitable, has flame rating per UL94-1995 and eliminates the shipping of bulky hose for waste disposal. Radflex is available in 4, 6, and 8 inch diameters and typically comes in 25 foot lengths. Other sizes are available on request.