Measuring Vent Diameter in the Attic

If you dont want to get on the roof, you can go in the attic and measure the vent by measuring the circumference of the vent pipe and dividing this by 3.14. This will give you the diameter of the pipe. Or maybe you can read what the diameter is by looking at the pipe....

Easy Size Check

If you are ordering a CQ, remember, if you measure anything with a diameter of 3 inches or less its a SIze A, if its betwen 3 and 4 inches its a size B. So if you measure your vent pipe because the flashing has been chewed off and the diamter is 2 1/4 inches outside,...

Leaks, so what

I have had a few people call and express their opinions that leaks from plumbing vents are not that important. After all, they say, whats a few drops of water during a storm. OK, lets say its not dripping on your insulation or your ceiling, but simply wetting your...

Check Order Form

We have added a manual entry form for those wishing to purchase by check or money order. Its located on the “Buy Critter Quitter” page under the Paypal. Simply click on the Manual Order Form, fill it out, get your priciing, and send the form along with a...

M size Custom Units for Old Iron Vents

We are the only company I know of that makes a cover for the old style 4 and 5 inch vents found on old homes, especially those up north. We recently have done several installations around the Chicago area. So if you got an old home, let us know.