BWC2-X BW Clip Single Gas O2 Monitor, 19.5/23.5, Yellow

Maintenance-free: no sensor or battery changes necessary.

California Residents Prop 65 warning: Products may contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.

This product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.