The Heavy Duty Thermometer is ideally suited for monitoring interior temperatures of compost piles and windrows. The clear, easy-to-read dial, with the pointer directly driven by the sensitive bi-metal helix in the bottom of the stem, gives an accurate reading every time. Used by composters everywhere for waste disposal, recycling, mushroom growing, etc.

Features
• Rugged all stainless construction
• Hermetically sealed-will not fog
• Unbreakable plastic crystal
• Pointed stem for easy insertion
• Easy-to-read 3" diameter dial
• Very accurate (+1% of scale)
• Regular 1/4" diameter stem or Heavy
• Duty 5/16" diameter stem available