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NEW Carbon Monoxide Detector Combo, Smoke Alarm and Carbon Monoxide Detector
MercariMercari

NEW Carbon Monoxide Detector Combo, Smoke Alarm and Carbon Monoxide Detector

$20.00
Ships only

Verified listing on Mercari

Listing guide

How to evaluate this marketplace listing

This carbon monoxide detector combo listing is from Mercari for $20.00 near the seller location. Use the details on this page to compare the seller's title, photos, condition notes, marketplace source, and nearby alternatives before opening the original listing.

Check the source listing

Confirm that the original Mercari post is still available, that the seller details are consistent, and that the photos match the item described in the title.

Compare similar options

Similar listings and GrabScore can reveal whether the asking price is common, high, or unusually low. Compare condition, location, shipping availability, and listing freshness together.

Plan the next step

For local pickup, check distance, timing, and item size before messaging. For shippable items, inspect photos and seller-provided details carefully before leaving Grabbit.

Common questions

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Compare the asking price with similar listings, then account for condition, photos, pickup distance, shipping options, included accessories, and how recently the listing was seen. If GrabScore is available on this page, use it as an extra pricing signal rather than the whole answer.

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