COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter Choose::Single Our new 5-gallon square container

Our new 5-gallon square container is ideal for storing in under-dispenser cabinets

The Rusco 1-1/2” Spin-Down Sediment Filter with Stainless Steel Screen provides durable

The Trojan UV Max 650629-060 plugs into a wall outlet and acts as a transformer - taking the native voltage and amperage and converting it to the proper voltage and amperage for the UV lamp

The Kinetico 108-231 is a SMF 20" prefilter replacement cartridge

Different wound patterns for different micron ratings ensure that you are getting the right product for the right application

COM-300: Waterproof Professional Series pH/EC/TDS/Temp Meter Choose::Single Our new 5-gallon square containerThe COM 300 is a professional grade level pH EC TDS Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES: Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Five scales: pH,