Residential customers and online orders please go to FilterDirect for ordering replacement parts and filters for your RO system.

TDS Water Quality Meter 578 List Price: $38 It measures the total dissolved solids in terms of ppm. Use the meter to measure water purity, and monitor the performance of RO or DI systems. Range: 0 ppm to 9990 ppm Accuracy: ±2% F.S. temperature compensated Resolution: 1 ppm Dimension: 6" X 1.25" X 1" Battery include

Digital Pressure Tester [NOT IN STOCK] 565 List Price: $13 [WE NO LONGER STOCK THIS ITEM] It measures air pressure in terms of (psi) Range: 0.0 to 99.9 psi Accuracy: ±2% F.S. Resolution: 1 ppm Dimension: 5.5" X 1.25" X 1" Auto shut off Battery include

DM-1 Inline Dual TDS meter DM-1 List Price: $32 * Displays TDS levels of the feed water and product water with in & out electrode probes. * Highly efficient and accurate due to its advanced microprocessor technology. * Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. * Dual Range 0-9990 ppm (From 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.) * Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. * Equipped with John Guest Quick-Connect T-fittings as shown. * Installs quickly and easily.

DM-2 Inline Dual TDS meter DM-2 List Price: $40 Differences from the DM-1: * Designed for commercial/industrial applications. * Stronger, water-resistant casing. * Calibration can be done individually or simultaneously on each line. * Improved design, including an extra large, easy-to-read LCD display. * Longer, waterproof, shielded cables. * Variable mounting bracket.

Digital pH Meter Gauge Hydrotester PH-80 List Price: $49 PH-80, Digital pH Meter Gauge Hydrotester + Calibration & Storage Solutions Features:Fast and Accurate ; Simple to use ; Auto digital calibration ; Water resistant ; Durable ; Large display ; and much more. Applications: Hydroponics and Gardening ; Aquariums and reefs ; Drinking water ; Food processing ; Beverage ; Water treatment ; Water ionizer ; Pools and spa Specifications: Range: 0.0 to 14.0 pH ; Temperature: 1 to 80 C or 33 to 176 F ; Resolution:  0.1 pH ; Accuracy: + - 2% ; Calibration: digital to 4.0, 7.0, or 10.0 ; Auto temperature compensation (ATC) ; Hold function: for easy recording ; Auto-off:  turn off after 5 minutes idle ; Power: 3 x 1.5V (357A) battery ; Water resistant ; Splash resistant ; Weight 2 oz ; Dimensions: 6” x 1.3” x 0.7”

Flow Meters

Flow Meter (Panel Mount) Part No GPM LPM Connection List Price AQF-600-102 0.2-2 1-7 3/8" MPT $62 AQF-600-105 1-5 2-20 1/2" MPT $62 AQF-600-110 1-10 5-35 1" MPT $92 AQF-600-220 2-20 10-70 1" MPT $92

Pressure Gauge

Dry Pressure Gauge Dry pressure gauge is for monitoring air or water pressure Material: plastic casing, brass connector, 1/8 " MPT Dimension: 1.5 " dia. 1" thickness Range: 0 - 100 psi or 0 -300 psi Part No Gauge Pressure List Price PG-15100 0-100 psi $18 PG-15300 0-300 psi $18

Oil Filled Pressure Gauge (Side Mount) Ideal for environmental that has vibration. Monitor air or water pressure Style: Side mount Material: 304 stainless steel casing and connector, acrylic window Dimension: 2.5" diameter, 1" thickness, 1/4" MPT Scale: psi and Kg/cm2 Pascal Part No Gauge Pressure List Price PG-100-S 0-100 psi $37 PG-150-S 0-150 psi $37 PG-200-S 0-200 psi $37 PG-300-S 0-300 psi $35

Oil Filled Pressure Gauge (Panel Mount) Ideal for environmental that has vibration. Monitor air or water pressure Style: Panel mount Material: 304 stainless steel casing and connector, acrylic window Dimension: 2.5" diameter, 1" thickness, 1/4" MPT Scale: psi and Kg/cm2 Pascal Part No Gauge Pressure List Price PG-100-P 0-100 psi $27 PG-150-P 0-150 psi $37 PG-200-P 0-200 psi $37 PG-300-P 0-300 psi $37