
Unit price
$124.44
Quantity
Buy 3 more → unlock 10% OFF
Bulk pricing
1+$124.44
4+$112.01
8+$100.88
16+$93.44
32+$89.66
64+$86.33
Replaces OEM part numbers: 351D66A2391, EX-14D26-D12
Description
Replacement cartridge filter for RoboVent EX-14D26-D12 / CF-14D26 and Amtech 351D66A2391. Fits: Amtech AT and ATV series and RoboVent collectors that use EX-14D26-D12 (main filter). Size: 13.865" OD x 9.479" ID x 26" long, open on both ends, with outer support bands and an inner metal cage. Media: flame-retardant 80/20 blend, MERV 11, 256 sq ft, rated to 180°F. Need higher efficiency? The same size is available in nanofiber media (Amtech 351D66A2387, MERV 15). In stock and usually ships next business day. Not sure it's the right one? Measure your old filter (OD, ID, length and which ends are open) or send us its part number or a photo through the chat button, and we'll confirm the match before you order. 30-day returns.
Specifications
Dimensions Dimensions The overall physical size of the filter measured in feet (length × width × height) | 26x13.865x9.479 |
Temperature Rating (°F) Temperature Rating (°F) The maximum operating temperature the filter can safely withstand without degrading performance or structural integrity. | 180 |
Substitute For Substitute For Identifies alternative or equivalent part numbers that this filter can replace in compatible systems. | 351D66A2391, EX-14D26-D12 |
Outer Shell Outer Shell The external layer or casing of the filter that provides structural support and protects the filter media during operation and handling. | Bands |
MERV MERV A standardized rating (Minimum Efficiency Reporting Value) that indicates how effectively a filter captures airborne particles, with higher values representing finer filtration. | 11 |
Media Type Media Type The material or composition of the filter media, which determines filtration efficiency, durability, and application suitability. | 80/20 |
Media Surface Footage (Sq') Media Surface Footage (Sq') The total surface area of the filter media, measured in square feet, which affects airflow capacity and dust-holding performance. | 256 |
Fire Retardant Fire Retardant Indicates whether the filter media or construction is treated to resist ignition and slow the spread of fire for improved safety. | Yes |
Filter Stage Filter Stage The physical dimensions or nominal size of a filter, used to ensure proper fit and compatibility with the equipment. | Main |
Filter Size Filter Size The physical dimensions or nominal size of a filter, used to ensure proper fit and compatibility with the equipment. | 1426 |
Filter Ends Filter Ends The design and configuration of a filter’s end caps or closures, which determine how the filter is sealed and mounted in the system. | Open / Open (O/O) |





