They fit and collect dirt

These filters really helped keep the in-house air cleaner when experiencing seasonal allergies.

I suffer with Rhinosinusitis and this helps keep the symptoms down

I always used this product so far no problem

These are usually around $20 each anywhere else. These were 4 for $40 or &10 each

Yhese are very good filters and it really helps with my allergies i change my filter every 3 months

Saved over $50 for 6 month supply

Is use these filters in my heating and AC system

Fit perfect and price was great

Great price for a higher rated filter