




Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Hercules O-Ring, MPN 21, is a reliable sealing solution for various industrial applications. Made to ensure durability and efficiency, this O-Ring is suitable for use in plumbing, electrical, and HVAC setups. It features a size of one and one-sixteenth inches outer diameter and fifteen-sixteenths inches inner diameter. This product is essential for providing a leak-proof seal in fittings and joints.
This O-Ring offers an effective solution for preventing leaks in multiple settings. Its precise dimensions ensure a snug fit in corresponding fittings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!




