Nu-barrier Plus Discs: 1-1/2" I.d. - 4" O.d. - Box of 10

I was impressed with these discs! The 4" outer diameter provides a great surface area for sealing. They are durable, and I would buy them again.

Excellent quality discs. They fit perfectly and are well-made. I've noticed improved performance in my equipment since using them.

Efficient and reliable! The nu-barrier discs delivered exactly what I needed for my installation. Very happy with this purchase!

These discs are a game changer! They sealed up my project flawlessly. I appreciate the quality and efficiency of the product. Five stars!

I bought these discs for a home repair task, and they exceeded my expectations. They hold up well under pressure and fit nicely. Will buy again!