Safe-T-Alert Combo Carbon Monoxide Propane Alarm - Flush Mount - Mini - White [25-742-WHT] Hunting & Fishing | Tools the TLM150 can be calibrated

the TLM150 can be calibrated for irregular tank shapes so you can know the true level of your tanks

Box Dimensions: 7"H x 18"W x 51"L WT: 23 lbs

266 Float Tube Adapters with straps

Box Dimensions: 5"H x 17"W x 20"L WT: 24 lbs

but the CO2 cylinder needs to be replaced before using again

Safe-T-Alert Combo Carbon Monoxide Propane Alarm - Flush Mount - Mini - White [25-742-WHT] Hunting & Fishing | Tools the TLM150 can be calibratedCombo Carbon Monoxide Propane Alarm Flush Mount Mini White Have a safe TRIP! Test and inspect the Propane and CO alarms installed in your RV every week and replace malfunctioning alarms. Replace all Propane and CO alarms that are 5 years old or older. Install alarms listed for RV use. Prevent accidents by teaching family and friends about the operation of the alarms. Never ignore a sounding alarm. Features: Patented Double Duty Alarm. Upgrades single