★★★★★ 5
As advertised
Perfect fit in my 2015 F150.
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Reviewed in the United States on February 28, 2026
Safe-T-Alert Combo Carbon Monoxide Propane Alarm - Black - 25-742-BL
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Safe-T-Alert Combo Carbon Monoxide Propane Alarm - Black - 25-742-BLSafe T Alert Combo Carbon Monoxide & Propane Alarm Black (25 742 BL) Protect your RV, camper, or enclosed space with the Safe T Alert Combo Carbon Monoxide and Propane Gas Alarm (Model 25 742 BL). Designed for reliable, around the clock monitoring, this dual function alarm detects dangerous carbon monoxide (CO) and propane gas leaks to help keep you and your family safe. Featuring a sleek black finish, this alarm blends seamlessly into modern RV
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Your Safe-T-Alert Combo Carbon Monoxide Propane Alarm - Black - 25-742-BL orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.4 ★★★★★
Based on 1664 reviews
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Product Reviews
★★★★★ 1
Too restrictive!
If you like air flow do not buy this filter. I put it in my 2020 Super duty and had very little air coming out with the fan as high as it would go. Stopped and bought the standard Microguard from Orielly's. I changed it in the parking lot and Bam!!! back to blowing my hat off!
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Great price
Both filters fit and worked and had a great price.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Better then oem
Great product quality is definitely a plus had no issues. Been buying these for 3 years.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Quality filters
Perfect fit, no issues with the installation of these filters.
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Reviewed in the United States on March 8, 2026
