Average Reviews:
(More customer reviews)Filter is exactly what it says. Nearly all filters utilize "nominal" sizing, and the exact dimensions are fairly consistent throughout the filter industry. This listing shows very clearly the exact dimensions of the filters as 23.38" x 11.38" x .83". Whether manufactured by AAF, Flanders, Purolator, 3M, or whoever, this filter is referred to as 12x24x1 and this is the size printed on the filter itself. The listing is not deceptive or misleading in any way, the other reviewer is simply an idiot.
Click Here to see more reviews about: 12x24x1 (11.4x23.4) True MERV 8 Pleated Air Filter MPR 800 (6-Pack)
3M no longer lists MERV ratings for its reidential products because it doesn't want you to know that their filters LOSE EFFICIENCY when in operation.They do still list this information for their commercial line, however, as it is demanded by European clients.The images for this listing can be viewed online at: http://solutions.3m.com/wps/portal/3M/en_US/Liquid_Filtration/Filtrete_Comml_Air/Prod_Info/Prod_Catalog/and click on the "Literature" tab, then select "Commercial Mid Performance HVAC Filters Data Sheet" or "Commercial High Performance HVAC Filters Data Sheet". Other brands suffer the same performance degradation as well, but are not as sneaky and misleading as 3M.Appendix J was created to simulate "Real World" performance by pre-conditioning filters with a minimal amount of dust before they are tested.For most filters, the efficiency should remain the same, or even increase or decrease by up to 5%.3M Filtrete filters all show a decrease of 15-30% in efficiency rating.This is due to an over-enhancement with electrostatic charge, which is a way to make lower grade filter media reach a higher initial efficiency.Low grade filter media + a great marketing team + a whole lot of money = 3M Filtrete.
Get 35% OFF
No comments:
Post a Comment