I’ve used theses for years and never a disappointment, they are reusable after soaking them in 3% peroxide which I’ve done and still works fine. Great to keep around

I'd been wondering how to assure proper air circulation. These filters are perfect.

Self stick makes for a no hassle install, they'll keep the air refreshed at the correct rate.

These filter stickers make working with monotub simple. It is much cleaner and effective than stuffing free flowing polyfill into your holes. I would highly recommend this product!

Great product

I really like these stick-on vents; nice and gf convenient. Only place I could find what I wanted was from Midwest.