Field Instruments

General

AAF’s PREpleat LPD HC filter is the lowest initial resistance MERV 8 pleated filter in the industry. Combined with its high DHC, the PREpleat LPD HC filter provides an extended life cycle and energy efficient performance.

Superior Design and Construction

Media: 100% synthetic non-woven, proprietary media that can be recycled. Engineered with a gradient density composition that achieves a MERV 8 rating using the mechanical method of particle capture. Media does not rely on an electrostatic charge to capture particulates, since the charge dissipates over time.

Media Support: Expanded metal is continuously laminated on the air leaving side to provide pleat stability during operation. Pleat shape is maintained, allowing full media utilization and maximizing DHC.

Pleat Design: V-Pleat design aids in pressure drop while reducing energy cost. Design allows for maximum airflow and DHC during the life of the filter.

Frame: Heavy-duty, two piece, moisture-resistant frame includes diagonal and horizontal support members bonded to the media on the air entering and exiting sides for unsurpassed frame strength. Interlocking corners and positive media-to-frame seal reduce the possibility of air bypass.

Operating Temperature Limits: Max. operating temp. is 180°F (82°C).

Features

• Lowest initial resistance MERV 8 pleated filter
• High Dust Holding Capacity (DHC) for energy efficient performance
• Diagonal support members and wire-backed media contribute to overall strength of construction
• Filter media pack is bonded to the frame at all points of contact to eliminate air bypass
• High Capacity, MERV 8

Specifications

• Make: AAF
• Part Number: M147-204-800
• Nominal Size in Inches (W x H D): 20 x 25 x 4
• Actual Size in mm (W x H D): 492 x 619 x 95
• Rated Airflow (CMH): 2900
• Rated initial Pressure resistance: 40 Pa
• EN779 : G4
• ASHARE 52.2: MERV 8
• ISO 16890: Corase 70%
• Filter Depth (mm): 95
• Media Type: Synthetic
• Frame Material: Beverage Board
• Special Size Available: Yes
• Antimicrobial Available: Optional
• Recommended Final Resistance: 250 Pa
• Max Operating Temperature: 82ºC
• Air Filtration Certificate: UL 900

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