Safe-T-Alert FX-4 Carbon Monoxide Alarm

Marsoni

M251S

$57.99

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

Safe-T-Alert FX-4 Carbon Monoxide AlarmSafe T Alert FX 4 Carbon Monoxide Alarm Stay protected from the dangers of carbon monoxide with the Safe T Alert FX 4 Carbon Monoxide Alarm, a trusted safety solution for RVs, motorhomes, trailers, and boats. Designed for dependable performance, the FX 4 continuously monitors carbon monoxide levels and delivers a loud audible alarm when unsafe concentrations are detected. Built specifically for mobile and enclosed environments, the Safe T Alert FX 4

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Your Safe-T-Alert FX-4 Carbon Monoxide Alarm orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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The speed of service and delivery fused at different Amps voltage to purchase appearance is always a great addition and skar audio is always a head of the game I love skar audio I have been running their RP series amps I have all of them except the 4500.1 I bought this for my 07 Wolfsburg jetta with a 15 dual 2ohm down to 1ohm with the RP 3500.1 and it slumps and hits so low the skar box foe my single 15evl series..is tuned to 30htz..n when it hits that level and lower man u know it ..o call it the 23htz (23hurter)..explosive always excellent quality and functionality thanks 😊

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Reviewed in the United States on January 28, 2025

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Kraig Cash

San Leandro, US

★★★★★ 5

Top notch

Size: 300A Fuse Holder

Very good quality

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Reviewed in the United States on January 8, 2026

Verified Purchase

Awesome works just like they said it does.

Bozeman, US

★★★★★ 5

It’s good

Size: 300A Fuse Holder

It does it’s job.

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Reviewed in the United States on January 18, 2026

Verified Purchase

Anthony S

Belleville, US

★★★★★ 4

Cover too loose.

Size: 300A Fuse Holder

Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.

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Reviewed in the United States on January 12, 2026