Customer Review: I installed this filter on my whole house filtration system and it works great, I especially like the perforated seams every two inches. There was no need to measure and cut. I would highly recommend this product.
Customer Review: I am not sure how fine the particles are that get trapped, but in terms of actual dust in the air ... It really works. In fact, it works so well that the front intake screen has gotten covered with a visible layer of brown dust (which I wipe off). I never noticed my house being all that 'dusty'... more info
Customer Review: An old, dark filter proved it was working. Due to cost, it wasn't replaced more often but was vacuumed. I stocked up when it was on sale in the Gold Box and at a 4 for 3 special.
Customer Review: Well my husband and I have allergies to cigarette smoke. Our roommate is ill and refuses to quit smoking. We have done everything except hermetically sealing him in his room. The smoke still travels out to the hallway and then the AC sucks it into the system and sends it through the whole house. I... more info
Customer Review: I don't know how they work, exactly but they DO work! I've had them in the tank for 2 winters now and they definitely help the filters stay cleaner and last longer and there is no white bulid-up on the tank EVER! They are well worth the money--I know they look funny but believe me, they work!