

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 M&M Manufacturing 5300EC is a 300EC 262 5 round end cap. This product is essential for HVAC duct systems, as it helps seal the ends of round ducts effectively.
The 300EC 262 5 round end cap is designed for easy installation in duct work, ensuring a tight seal.
Thanks for subscribing!
This email has been registered!