The Camfil Farr Durafil® 4V provides high-efficiency ASHRAE performance in a compact energy efficient design. An Energy Cost Index (ECI) of five stars is the highest performance rating available.
Look for radically improved Durafil, available for order July '08.
Includes a wet-laid, microfine fiber media in a unique pleat-in-pleat V-bank design with up to 200 square feet of media area (more media than any other ASHRAE grade filter) for higher dust-holding capacity, longer system life and a lower average pressure drop.
The Durafil® 4V:
- Is available in four standard efficiencies
- Media is water-resistant
- Includes glass filament separators to ensure uniform airflow throughout the media pack
- Incorporates a unique sealant channel ensuring media pack-to-frame bonding to prevent air bypass
- Includes a high-strength, impact-resistant plastic enclosing frame with modular plastic media pack supports ensuring a rigid and durable filter
- Includes a one-inch header for added stability and a secure fit into the filter holding mechanism. The header is an integral component of the frame. Includes a header sealing gasket to ensure no air bypass between headers in multi-filter systems
- Is bi-directional, airflow can be in either direction
- Can serve systems with airflow capacities to 3,000 cfm and has a maximum recommended final pressure drop capability to 2.0” w.g. Guaranteed to 10” w.g.
- Has been qualified by Underwriters Laboratories as UL 900 - Class 2.
- Is available with dual headers
The Durafil 4V is excellent for VAV systems, air-starved systems, or any commercial, medical or industrial application where energy savings is a consideration.
The Durafil’s superior performance characteristics relating to human and environmental health, energy efficiency, materials selection and indoor environmental quality make it the final filter of choice for those facilities pursuing green building status.
Product Sheet
Initial Resistance versus Airflow Chart
Sales Submittal Drawing
Sales Submittal Drawing (dual headers)
Sales Submittal Drawing (99% ASHRAE efficiency
Durafil ES Specification Select for Durafil high-capacity orders placed after 7/31/08.