“Using in my cabin no need for a hole through roof”
“Plumbed my whole house without roof penetrations. Be sure and check your local codes prior to use...”
“Excellent product .. works very well”
“Seems to work as designed.”
“The product is amazing it has a rubber gasket attached to it that fits over a 3-inch pipe or slides into a 4-inch pipe...”
“The concept is old, but not approved by code until relatively recently at least in Connecticut...”
