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Gain Express Holdings Ltd Maintained by: gainexpress ( 27162) We are a professional supplier of all kinds of testing instruments based in Hong Kong. We supply a wide range of products w/ CE approval. Our factory is certified by EN ISO9001-2000 to insure that all our products and services are in accordance with international standards. www.gainexpress.com Check out www.gainexpress.com for more items, volume discounts and international shippings Store search in titles & description Store categories Store home NEW ENVIRONMENT INSTRUMENTS (52) Wholesale Lot (5) Microscope /Camera illuminator (29) GEM Identification Toolkit SET (21) Gem Tools / Testing Kits (106) Refractometer (Traditional) (73) Refractometer (New Design) (39) Refractometer (Built-in Light) (26) PH Meter / Tester / Electrode (154) EC / TDS / PPM Conductometers (69) ORP Meter / Tester (21) Salinity Meter (6) PH & PH/ORP(2 in 1) Controller (23) Fish finder & feeder (5) Ozone Generator (14) Traditional Desgin 200mg/hr (6) Newl Desgin 500mg/hr (8) Thermometer (86) Digital Thickness Gauge/Meter (16) Digital Hardness Durometer (6) Anemometer / Lux / Light Meter (38) Sound & Temp / Moisture Meter (48) Fiber Optical Microscope (6) Vibration Meter (1) Tachometer & Stroboscope (25) Ultrasonic Cleaner (8) UV Light (2) Phase Sequence Tester (8) Cable Testers (6) Multimeter/MultiFunction Meter (27) Frequency Counter (6) Beschreibung auf Deutsch (84) Descrizione in Italiano (47) Description en Français (78) Descripción en español (69) Angle Finder/Protractor (25) Other (115) Show all subcategories Display Hide gallery view View new listed Store pages About the seller Hot Items Featured items * New Products !!! * View: All Items | Buy It Now 14 results found View as:Gallery Sort by:Time: ending soonest Shipping to USA Ozone Generator + Air Dryer, Redox, Water, Aquarium $49.90 Time left:1d 3h 12m Ozone Generator + Air Dryer + Timer Redox, Aquarium New Design, Industrial Quality, 500mg/hr, Multi-purpose $61.29 Time left:3d 11h 23m Ozone Generator + Air Dryer, Redox, Water, Aquarium $54.16 Time left:5d 3h 44m Ozone Generator + Air Dryer + Timer Redox, for 110V $69.00 Time left:5d 14h 2m Ozone Generator + Air Dryer + Timer Redox, Aquarium New Design, Industrial Quality, 500mg/hr, Multi-purpose $72.97 Time left:6d 22h 59m Ozone Generator + Air Dryer, Redox, Water, Aquarium $54.16 Time left:11d 4h 23m Ozone Generator + Air Dryer + Timer Redox, for 110V $69.00 Time left:15d 17h 1m Ozone Generator + Air Dryer, Redox, Water, Aquarium $49.90 Time left:15d 17h 1m Ozone Generator + Air Dryer + Timer Redox, Aquarium $61.29 Time left:15d 17h 5m Ozone Generator + Air Dryer + Timer Redox, Aquarium New Design, Industrial Quality, 500mg/hr, Multi-purpose $72.97 Time left:20d 3h 11m Ozone Generator + Air Dryer + Timer Redox, for 110V New Design, Industrial Quality, 500mg/hr, Multi-purpose $69.00 Time left:21d 0h 44m Ozone Generator + Air Dryer + Timer Redox, Aquarium New Design, Industrial Quality, 500mg/hr, Multi-purpose $88.03 Time left:22d 2h 45m Ozone Generator + Air Dryer, Redox, Water, Aquarium $56.30 Time left:27d 13h 3m Ozone Generator + Air Dryer, Redox, Water, Aquarium $56.30 Time left:28d 1h 27m Page 1 of 1 Previous 1|2|3|4|5|6|7 Next Go to page

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