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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.
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.
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