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This item is the piece of lens glass only
Beam angle: 170°
The 1000W SGO100DE Magnetic DE Ballast is a truly reliable and rugged workhorse built to provide years of solid service while operating any 1000W double-ended lamp
and more energy savings from increased A/C efficiency
the Humboldt Nutrients teams of agronomists and chemists have created Ginormous (0-18-16)
HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter co2 This item is the pieceIdeal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. The COM 100 is a professional level EC TDS meter at an unbeatable price. Measures electrical conductivity (EC), total dissolved solids (TDS), salinity and temperature. UPGRADED: Four scales: S, mS, ppm, ppt