True Blue Allergen 20x25x1 Air Filter , MERV 11, 4-Pack
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57,407 reviews
covering
60 products
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Furnace Filters
Experiential insights by users
About True Blue Allergen 20x25x1 Air Filter , MERV 11, 4-Pack
Overall Feedback:
86% positive
76% praised for improving indoor air quality, but 24% didn't notice a difference
The filter quality I wanted for my furnace was significantly inferior. It had a MERV 11 and FPR 6.
I have included a photo of the filter which shows that it is dirty after just 65 days of use. I am not impressed with the performance of the filter.
After a few days, I heard a whistling sound from the intake vent and found that the filter had collapsed inside the filter frame.
80% liked its compatibility, but 20% had issues with compatibility
I received an FPR 6 filter instead of the MERV 11 filter I ordered.
Using these filters could damage our heating system. The material has so much give that it gets sucked through the diamond pattern, putting stress on the system, as our HVAC technician warned.
The filter quality was not as described. We were shipped FPR 6 quality filters instead of MERV 11 quality filters.
I received a filter that was not compatible with my furnace, different from what I ordered.
76% found it easy to install and replace, but 24% had difficulties
Using these filters could damage the heating system as the HVAC technician warned about the material getting sucked through the diamond pattern.
None of our filters lasted more than 2 months, despite being rated to last 4 months.
I installed a new filter, but it collapsed instantly when the air handler turned back on.
77% liked the long-lasting filter, while 23% thought it needed frequent replacements
After a few days, I heard a whistling sound coming from the intake vent and found that the filter had collapsed inside the filter frame.
The filter frame collapses from fan suction when used in a slant position to get more dust coverage.
I received significantly inferior filters for my furnace. The description promised MERV 11 quality, but I received FPR 6 quality filters instead.
77% appreciated its high filtration efficiency, while 23% thought it was mediocre
The filter quality was inferior to what was described in the product description. It was FPR 6 instead of MERV 11, which is significantly lower than what I wanted for my furnace.
When the air handler turned back on, the filter collapsed instantly.
82% appreciated the quieter operation, but 18% didn't notice a difference
I heard a whistling sound coming from the intake vent and found that the filter had collapsed inside the filter frame.
The filter frame collapses when used in a slant position due to fan suction.
Using these filters could damage our heating system because of the material's give which gets sucked through the diamond pattern, putting stress on the system.
After 65 days of use, I shared a photo of the filter which shows how dirty it has become. This indicates that it is not effective in reducing noise and is not meeting my expectations.
