SafetySiren Pro4 Series (4th Gen) - Leader in Home Radon Detection Since 1993. Made in The USA - USA Version pCi/L Towel Radiators Featuring a low-profile design and

Featuring a low-profile design and a clean

3-pin operated shutter

lets you customize your comfort while cutting down on operating cost

Easy to replace filter

making a Cross Line projection for an array of level and align uses

SafetySiren Pro4 Series (4th Gen) - Leader in Home Radon Detection Since 1993. Made in The USA - USA Version pCi/L Towel Radiators Featuring a low-profile design andLEADER IN HOME RADON GAS DETECTION SafetySiren Pro4 Series is our 4th Generation of electronic radon monitors. Engineered, Designed and Manufactured in the USA CONTINUOUS MONITORING both short & long term radon levels on an easy to read digital display AUDIBLE ALARM will alert you if radon levels are high. 3 Audible Alarm Modes to Choose from with a Visual Alarm for the Hearing Impaired BACK LIGHT MODE for easy viewing of the digital display PEACE OF