Top So2 Below 50ppm

Laserjet Printer All in One Laser Printer Scanner Copier, Black White Printer Wirelessly Printer at 35PPM, Pantum M7102DW(V4T56A)

  • All-in-one laser printer, scanner and copier, fast printing at 35(Letter)ppm in black and white.
  • 50-page auto document feeder copy speed up to 35 cpm, scan with speed up to 25 ppm and supports scan to USB disk. Easy-to-use one-step driver installation.
  • Wireless connections from your laptop, smartphone, desktop, and tablets via the Airprint, Mopria, Pantum APP. Pantum APP supports directly printing office documents.
  • New product comes with a USB cable, 1500 pages starter cartridge and 12000 pages Drum unit. Optional toner catrideges 1500 pages(TL-410), 3000 pages (TL-410H), 6000pages(TL-410X), at 5% coverage based on ISO 19752 Standard.
  • 1-year standard warranty from the date of purchase. For a better experience, please download the product guides and documents below this product page for refoerence, or contact us directly through Amazon for support.
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Natural Path Silver Wings Colloidal Silver Mineral Supplement, 250 Ppm, 1 Fluid Ounce

  • STRONG IMMUNE SUPPORT*: Natural Path Silver Wings Colloidal Silver 250PPM is our most versatile strength. 25 times stronger (more silver particles) than 10PPM silver solutions. Higher PPM strength offers convenience of less dosages per day. Properly prepared pharmaceutical grade colloidal silver is safe to use in higher PPM strengths and concentrations. When need for daily immune support, you can consume 4-28 drops of Silver Wings Colloidal Silver 250PPM. 4 drops of 250PPM is approximately 10PPM..
  • SMALL SILVER PARTICLES ARE MORE BIOAVAILABLE. Natural Path / Silver Wings Colloidal Silver average silver particles range from 0.6nm – 3nm. It is easily absorbed and readily available for your body’s immune support needs. Silver Wings Colloidal Silver is safe, more bioavailable and effective for immune support than competing brands..
  • WHAT IS PARTS PER MILLION (PPM)? PPM (STRENGTH) is the number of silver particles per serving yields greater concentration and increased immune support. Silver Wings offers products in 50PPM, 150PPM, 250PPM, and 500PPM..
  • IS COLLOIDAL SILVER SAFE? Yes. Due to the unparalleled silver particle size, Silver Wings Colloidal Silver is safe for the whole family. Properly prepared pharmaceutical grade colloidal silver is safe to ....
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UNI-T UT210E Pro Mini Digital Clamp Meter, Auto Ranging TRMS Backlit VFC NCV Meter, AC/DC Current Voltage Frequency Resistance Capacitance Diode Tester with Test Leads Zip Bag

  • About CG:CG ammeter shunt is made of high quality brass and Manganin, is Sanded to make more shiny , sealing treatment to be used for a long time..
  • relative humidity:less than or equal to 95% (35℃)..
  • Temperature Rise:20ppm,When the change of temperature tends to be stable,if rated current is below 50%, the temperature will be not higher than 80℃,if rated current is above 50%, the temperature will be not higher than 120℃..
  • Over-load ability:rated current 120%, 2 hours.It is not recommended that the practical used current over the 80% of rated current for a long time..
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Lexmark CX522ADE COL LASERPR 35PPM 1200DPI USB

  • ...s| Recommended Monthly Volume: 1500 - 8500 pages| Display Diagonal Size: 4.3| Color Support: Color| Display Features: Touch screen| Connection Availability: Yes| Interface: USB 2.0, Gigabit LAN, USB 2.0 host| AirPrint Enabled: Yes| Standard Memory: 2000 MB| Max Supported Memory: 6000 MB| Max Copying Speed: Up to 35 ppm (mono) / up to 35 ppm (color).
  • Automatic Duplexing: Yes| Max Printing Resolution: Up to 1200 x 1200 dpi (mono) / up to 1200 x 1200 dpi (color)| Max Printing Resolution Class: Up to 1200 x 1200 dpi (mono) / up to 1200 x 1200 dpi (color)| Max Printing Speed: Up to 35 ppm (mono) / up to 35 ppm (color)| Image Enhancement Technology: 4800CQ| Automatic Duplexing: Yes| First Print Out Time B/W: 8.5 sec| First Print Out Time Color: 8.5 sec| Color Management Features: Mopria| Automatic Duplexing: Yes| Compatibility: Super G3.
  • Max Transmission Speed: 33.6 Kbps| Original Type: Sheets| Document Feeder Capacity: 50 sheets| Supported Media Type: Transparencies, envelopes, plain paper, labels, card stock| Supported Media Sizes: Letter A Size (8.5 in x 11 in), Legal (8.5 in x 14 in), Executive (7.25 in x 10.5 in), A4 (8.25 in x 11.7 in), A5 (5.83 in x 8.25 in), A6 (4.13 in x 5.83 in), Folio (8.5 in x 13 in), JIS B5 (7.17 in x 10.12 in), Oficio (8.5 in x....
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Fluval Calcium Test Kit for Aquarium Water, Freshwater & Saltwater Fish Tank Test

  • Test calcium (Ca) and magnesium (Mg) level in water. Suitable for brackish water and seawater with the salinity higher than 5 part per thousand (ppt)..
  • For freshwater and marine aquarium and aquaculture, pond water, ground water, drinking water.
  • Ca range from 0 – 800 part per million (ppm) with the resolution of 40 ppm per drop. Mg range from 0 – 1725 ppm with the resolution of 50 ppm per drop..
  • Easy to use, accurate, fast test, economic.
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SKIN1004 Zombie Pack (1box - 8ea) | Wash off Face Mask for Aging Skin, Fine Lines Wrinkles, Enlarged Pores, Dryness, Lifting and Hydrating

  • ...of secretion filtrate. With more filtrate repairing and rejuvenating your skin, you’ll see fuller, faster results with our mask—you’ll feel a difference and your skin will experience enhanced regeneration after your first treatment. Read more about all the benefits of snail filtrate in the product description below!.
  • 100% Cruelty free: No snails are ever harmed during the creation of our masks. Our snail filtrate collection methods are completely safe and harmless to snails..
  • Natural ingredients: Our snail mucin filtrate masks contain a blend of natural minerals, vitamins, and enzymes. The masks are made from 100% cotton and are completely paraben-free to prevent skin irritation and ensure safety for your skin..
  • Made in Korea: Snail secretion filtrate is a prestigious ingredient in Korean beauty products, and is widely recognized in Asia as one of the best natural ingredients for skincare. Our snail skin care masks make it possible for you to experience all the benefits of snail secretion filtrate without buying a plane ticket, making them one of the best facial products from Korea on the market today! Read more about these benefits in the product description below!.
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Portable Carbon Monoxide Detectors CO Detector Monitor for Car, Aircraft, Bus, Trucks, Pilots, Vehicle, Travel and Camping, with Visual and Audible Alerts Alarm Battery Powered

  • ACCURATE AND RELIABLE: CO low-level alarm at 9ppm & 25ppm alarms, 9-month runtime with battery-powered..
  • FAST ALARMS: Alarms at >10ppm @ 60 secs, compared to home CO detectors. 10-24ppm: Alarm Level I,shows real-time CO concentration and red light flashe.
  • 25-49ppm: Alarm Level II, shows real-time CO concentration.
  • ≥50ppm: Alarm Level III, shows real-time CO concentration.
  • red light flashes with a buzzer sounds and a Vibration..
  • EASY USE: Easy to set and use with simple one-button operation, Designed primarily for Vehicles(i.e. trucks, SUVs, buses, aircraft, boat).
  • TRUST: * 1 year limited warranty * Arrives factory calibrated * 100% product test * 100% quality guaranteed.
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Swimming Pool Test Strips Spa Testing Strips for Hot Tubs Tester Kit, PH, Total Chlorine, Free Chlorine/Bromine, Total Alkalinity, Cyanuric Acid, Total Hardness Water Chemistry 50PCS 6-Way

  • 【2022 UPGRADE to prevent cross color】These pool test kits can test swimming pool/ spa water PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid, Total Hardness at the same time..
  • 【Easy to stored】Pool water quality should be tested once a week. There are 50 pool and spa testing strips and desiccant in the bottle, so the swimming pool test strips can be conveniently stored..
  • 【Easy to use and read】Just dip a testing strips for hot tubs, swimming pool or spa in water 2 seconds, take it out and wait for 60 seconds, compare each panel color change of the color chart on the side of the bottle, then you can get the the accurate results of water quality..
  • 【Easy to carry】Each pool testing kit for above ground pool with 3.75×1.38in×1.38 inch and 1.1oz, it is very convenience to take to anywhere. Suitable for pool, spa, hot tub water quality test..
  • 【Optimum concentration】The pool test strips recommended ranges: total chlorine 0-25 ppm, free chlorine 1-3 ppm, pH 7.2-7.6, total alkalinity 80-120 ppm, cyanuric acid 30-50ppm and total hardness 250-500 ppm..
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CO Experts Ultra Low Level Carbon Monoxide Health Monitor

  • Continuous "real time" display of Carbon Monoxide levels from 5-50PPM.
  • Focused calibrated accuracy at multiple alarm points - 5, 25, and 50PPM.
  • Scroll Through display options for real time levels, Peak levels, and possible COhb exposure.
  • 2 AAA Alkaline battery powered (included).
  • 2 Wall Mount options - Secure fasteners or durable Velcro mount for easy portability.
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Industrial Test Systems WaterWorks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000ppm Range (Bottle of 50)

  • ✔EASY TO USE: Single dip and read test strip procedure and optimized color chart make the product ideal for technical and non technical users alike for detection of Ultra High Range Free Chlorine in water – measures critical CHLORINE SANITIZING ranges (from 50– 200 ppm) and DISINFECTING ranges (from 500– 2000 ppm) – NO BLEACH OUT of indicator like other tests.
  • ✔COMPLETE KIT: Bottle of 50 test strips with verified color chart bottle label for easy color matching.
  • ✔DETECTION LEVELS: Free Chlorine 0, 25, 50, 200, 500, 800, 1100, 1500, 2000 ppm.
  • ✔ACCURATE AND RELIABLE: Components are tested by Quality Control personnel at each step and are rejected if they are outside of specifications. Standards are prepared using calibrated equipment, and concentrations are confirmed by recognized reference methods.
  • ✔HIGHEST QUALITY: ITS, manufactures test strip products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on Good Manufacturing Practices.
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Hofun TDS Meter Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Testers for Drinking Water, PPM Meter for Hydroponics Aquarium

  • ...IT LCD DISPLAY & QUALIFIED WATER TESTER ] Hofun water quality test meter for hydroponics ec meter with Big Backlit LCD is far superior than other ones, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means high level ppm figure. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line)..
  • ✔[ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation. Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes..
  • ✔[ HIGH QUALITY TDS METER] Hofun water quality test meter is manufactured under extra high standards and of excellent quality. Thus we have absolute confidence of our water test meter..
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Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries

  • Detection range: Approximately 50 to 10,000 ppm* (*based on Methane).
  • Two levels of sensitivity: High (approximately 50 to 1000 ppm) and Low (approximately 1000 to 10,000 ppm).
  • Five red LED's (visual) and 85dB audible alerts that increase with gas concentration.
  • Automatic zero-point calibration at power-up (lights will flash during self-calibration.
  • this does not indicate the presence of gas).
  • 18-Inch flexible gooseneck expands sensor's reach.
  • Auto power-off after 10 minutes of non-usage conserves battery life.
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