Mr. Heater Category 3 Horizontal Stainless Steel Vent Kit, Model# F10286 — 6in. Dia., for Models MHU250, MHU300, and MHU400

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- Category 3, 6in. horizontal vent pipe kit
- Designed for Mr. Heater MHU250, MHU300 and MHU400 Unit Heaters
- Allows proper exhaust venting when heater is in use
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