VENTS - METAL ROUND BACK VALVE ?150

Marsoni

M251S

$12.36

Get it in 3 business days with 1 day shipping. Friday, May 29

VENTS - METAL ROUND BACK VALVE ?150Backdraft spring loaded damper designed for automatic shutoff of the round ducts and preventing back draft of air when ventilation system is switched off. Damper vanes are opened with the pressure generated by air stream and are closed by the spring. With galvanized axis, and riffles to prevent spring displacement. ? 150

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This is my favorite cleaner! This is a concentrate so it is easy to add it to a spray bottle and mix it with water. I love how it comes with different mixing formulas to fit your needs. The concentrate is a great bang for my buck because it will last me several bottle fills. It is not sticky and smells amazing!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on January 25, 2026

Verified Purchase

Lowell, US

★★★★★ 5

Mrs. Meyers cleaner

Has a nice fragrance and does a good job and lasts a long time because it's concentrated.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 8, 2026

Verified Purchase

Eve Underhill

Louisville, US

★★★★★ 5

Smells great but sweet so I use a small amount

I like this product because it’s a safer cleaning product. The smell is not overwhelming but I dilute it as I like light smells. Price is reasonable.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 30, 2026