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this easy-to-use digital pH meter delivers fast
or as an outstanding teaching tool for the classroom
long food-grade PVC nursery channel
Promotes Strong Root DevelopmentThe fibrous jute surface allows roots to grip naturally
Using clean water
Modine Effinity 93 Natural Gas Heaters Cleaners & Sanitizers this easy-to-use digital pH meterEFFINITY 93 HEATER (model PTC) The Effinity 93 is the most efficient gas fired unit heater in North America. All operating at 93% efficiency, the Modine Effinity93 will dramatically lower energy costs through decreased gas propane consumption. For those looking to feel even more green, each unity will reduce CO2 output by roughly 13% versus comparable sized heaters. Features of the Modine Effinity93: Uses 100% outside air for combustion. Sealed
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