The other two systems were created by 3m mpr and the home depot fpr to differentiate their offerings.
Air filter air flow rating.
Fpr ratings are on a scale from 4 through 10.
The higher the merv rating the more particles the filter will remove.
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.
Our recommended models are the best at filtering dust pollen and smoke from the air without impeding the flow of air.
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.
A low merv rating means that the filter does not remove as many particulates from the air.
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.
Air filter merv rating table.
An air filter s merv rating is a scale from 1 16 that describes the minimum efficiency of the air filter.
Conversely a high merv rating indicates that the filter does a good job of removing particulates from the air.
Most air filters are 1 inch thick but some systems can accommodate filters.
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.
This static charge makes them better at catching small particles that pass through them.
A merv 11 filter is appropriate for homes with pets or people with allergies because it picks up most allergens including pet dander.
Merv rating 8 12 electrostatic filters clean the air since they become positively charged from static electricity.
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.
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.
Basically the higher merv rating indicates higher filtering performance.
The scale rates how well a filter removes fine particulates from the incoming air.
