Hose Cleaners could be too big? If you’re using 1/2" diameter foam plugs to clean your 3/8" diameter hose, or 5/8" to clean 1/2" diameter line, you're probably a little frustrated with how tight the plugs fit. You might want to try the Poly Plugs by Pest Boys, and here's why. The Poly Plugs by Pest Boys are made a maximum of 10% over the standard sizes of the hoses they are made for instead of 25-30% larger. This could make some plugs almost impossible to put inside of the ho