HVACQuick CFB Series MERV-13 Inline Filter Boxes

A CFB filter box from HVACQuick is a high-performance solution for any application requiring in-line filtration. Constructed from 5052 H32 aluminum, the CFBs holds a standard 4" filter and are designed to fit either 6", 8", 10" or 12" diameter duct. The lid attaches securely with latches, and opens easily for quick filter replacements. A single MERV-13 filter cassette is included with every unit.

Does your application require higher arrestance or carbon filtration?  MERV-15 and CARBON IMPREGNATED FILTERS are now available to replace the standard filters.

Large orders are welcome, and may benefit from additional quantity discounts. Call us for more information or for resale opportunities.

model description usually ships 1-4 units 5+ units QTY
CFB-6 HVACQuick CFB series inline filter box. For 6 inch ducts. Includes lid and MERV-13 filter - 14x14x4 inch (13.5x13.5x3.75 actual). 1 Day. In Stock $113.00 $104.00
CFB-8 HVACQuick CFB series inline filter box. For 8 inch ducts. Includes lid and MERV-13 filter - 18x18x4 inch (17.5x17.5x3.75 actual). 1 Day. In stock. $134.00 $124.00
CFB-10 HVACQuick CFB series inline filter box. For 10 inch ducts. Includes lid and MERV-13 filter - 24x24x4 inch (23.75x23.75x3.75 actual). 1 Day. In stock. $189.00 $179.00
CFB-12 HVACQuick CFB series inline filter box. For 12 inch ducts. Includes lid and MERV-13 filter - 24x24x4 inch (23.75x23.75x3.75 actual). 1 Day. In stock. $189.00 $179.00
FD14X14X4-4PACK 14x14x4 (13.5x13.5x3.75) MERV 13 filters. Replacement pack for CFB-6. 4 PACK. 1-2 Days $60.95 $59.95
FD18X18X4-3PACK 18x18x4 (17.5x17.5x3.75) MERV 13 filters. Replacement pack for CFB-8. 3 PACK. 1-2 Days $59.96 $59.96
FD24X24X4-2PACK 24x24x4 (23.75x23.75x3.75) MERV 13 filters. Replacement pack for CFB-10 & 12. 2 PACK. 1-2 Days $45.95 $45.95
M15F14X14X4 14x14x4 (13.5x13.5x3.75) MERV 15 PLUS filter. Near HEPA filtration. 1 replacement filter for CFB-6. 1-2 Days $71.00 $71.00
M15F18X18X4 18x18x4 (17.5x17.5x3.75) MERV 15 PLUS filter. Near HEPA filtration. 1 replacement filter for CFB-8. 1-2 Days $76.00 $76.00
M15F24X24X4 24x24x4 (23.75x23.75x3.75) MERV 15 PLUS filter. Near HEPA filtration. 1 replacement filter for CFB-10 & 12. 1-2 Days $81.00 $81.00
FO14X14X4-4PACK 14x14x4 (13.5x13.5x3.75 Actual Size). Replacement CARBON impregnated filters for CFB-6. 4 PACK. 1-2 Days $85.96 $85.96
FO18X18X4-3PACK 18x18x4 (17.5x17.5x3.75 Actual Size). Replacement CARBON impregnated filters for CFB-8. 3 PACK. 1-2 Days $71.97 $71.97
FO24X24X4-2PACK 24x24x4 (23.75x23.75x3.75 Actual Size). Replacement CARBON impregnated filter pack for CFB-10 & 12. 2 PACK. 1-2 Days $62.95 $62.95
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Inline Filter Box Dimensions

Inline Filter Box MERV 15 specifications

Inline Filter Box

Inline Filter Box Closed

Inline Filter Box Flange


Links:

Filter Box Cut Sheet (PDF file)

CFB Filter Box Video (click for youtube.com video):




CFB Assembly Video (click for youtube.com video):




Do you have questions about the products on this page?

Click on the ? image on the left or this link to ask us your questions!
#1 Q:   Im looking for MERV 13 plus carbon filters to work with a heat recovery outside air unit. MERV 8 pre-filters are desired ahead of the MERV 13, to keep the MERV 13 from loading too quickly. Does this require a stack of the three different filters in line? Will the carbon filter act as a pre-filter in lieu of a separate MERV 8 filter? For an 1100 sf space, air flow is 500 to 600 cfm. What would be pressure drop for each 4 thick, in-line filter needed for this application?
A:   You can substitute the 4 inch filter for 2 qty 2 inch filters as long as the overall thickness works (you might need to insert a wedge/spacer since you would have a double undercut on the thickness). Pressure drop will vary depending on the box/filter size. Here are the carbon impregnated filters that we sell: https://hvacquick.com/products/residential/Air-Filters/Carbon-Air-Filters/Accumulair-two-inch-CARBON-filters

       Asked on 2019-05-23 by Kenneth
#2 Q:   What is the temperature rating on unit and filter
A:   No temperature rating specified. Standard HVAC system and air intake conditions. If you have specific requirements please give us a call at 877-711-4822 and we can have engineering take a look.

       Asked on 2018-10-24 by Eli
#3 Q:   What is the max CFM for this filter box ?
A:   Depends on the size. You typically want to keep filters at 300 feet per minute or less, so for the 24x24 filter that corresponds to roughly 1200 cfm.

       Asked on 2018-02-16 by Ron

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