This static charge makes them better at catching small particles that pass through them.
Air filter air flow rating.
Merv is the minimum efficiency reporting value which is the scale designed by the american society of heating refrigerating and air conditioning engineers ashrae to rate the effectiveness of air filters.
Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air.
A low merv rating means that the filter does not remove as many particulates from the air.
The scale rates how well a filter removes fine particulates from the incoming air.
Nordic pure 16x20x1 merv 10 pleated ac furnace air filters 6 pack 6 pack 6 pack.
A merv rating indicates a score from 1 to 16 for residential air filters sold in the united states and 17 to 20 for commercial air filters.
Fpr ratings are on a scale from 4 through 10.
Our recommended models are the best at filtering dust pollen and smoke from the air without impeding the flow of air.
The higher the merv rating the more particles the filter will remove.
The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings.
The filtrete ultra allergen reduction 1500 mpr filter earns a very good rating for removing smoke dust and pollen from the air with the system running on a high fan speed but is only.
The merv filter rating is the domestic and international industry standard rating system established by the american society of heating refrigerating and air conditioning engineers.
Air filter merv rating table.
If we were looking to buy a new filter today for our hvac heating ventilation and air conditioning system we d aim for a medium efficiency filter with a merv rating in the 8 to 13 range which.
Merv rating 8 12 electrostatic filters clean the air since they become positively charged from static electricity.
A filter with a merv 8 rating for instance is a good everyday filter and will remove large particulates from the air and protect your hvac unit from the damage that unfiltered air can cause.
An air filter s minimum efficiency reporting value merv rating measures how effectively the filter stops dust and other contaminants from passing through the filter and into the air stream.
A merv 11 filter is appropriate for homes with pets or people with allergies because it picks up most allergens including pet dander.
Filters with higher merv ratings trap small particles more effectively than filters with lower merv ratings.
