Digital RV Propane Gas Detector 85dB Alarm, DC 12V for Trailer & Motorhome
Sleek, Modern Design: Designed to blend seamlessly into your RV or travel trailer, this gas detector takes up minimal space and can be surface or flush mounted. The cut-out hole for the flush model should be no less than 3-3/8″ W x 1-7/8″ H.