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Description
Milwaukee C65 Low Range Waterproof Conductivity Pen with ATC and Replaceable ElectrodeMilwaukee C65 Low Range Waterproof Conductivity Pen with ATC and Replaceable Electrode The Milwaukee C65 Conductivity Pen is designed for aquariums, aquaculture, agriculture and pools. It helps to make sure that fish or plants are receiving the right amount of nutrients to keep the water clean and clear. Features: Measures conductivity and temperature with automatic temperature compensation Ideal range for Aquaculture (0 to 1999 uS cm) Units directly
Milwaukee C65 Low Range Waterproof Conductivity Pen with ATC and Replaceable Electrode
The Milwaukee C65 Conductivity Pen is designed for aquariums, aquaculture, agriculture and pools. It helps to make sure that fish or plants are receiving the right amount of nutrients to keep the water clean and clear.
Features:
- Measures conductivity and temperature with automatic temperature compensation
- Ideal range for Aquaculture (0 to 1999 uS/cm)
- Units directly in uS/cm (no conversions required)
- Factory calibrated with the ability to recalibrate if needed
- Replaceable electrode
- Fully waterproof to IP65
- 250 hours continuous use (3 x 1.5V batteries included)
Specifications:
- Range: 0 to 1999 uS/cm
- Resolution: 1 uS/cm
- Accuracy: ±2% Full Scale
- Typical EMC Deviation: ±2% Full Scale
- Temperature Compensation: Automatic from 5 to 50°C (41 to 122°F), with ß=2%/°C
- Calibration: Manual, at 1 point through trimmer
- Probe: MA73075 (replaceable)
- Environment: 0 to 50°C / 32 to 122°F; max RH 100%
- Battery Type: 3 x 1.5V (included)
- Battery Life: Approx. 250 hours of continuous use
- Dimensions: 6.5 x 1.2 x 1.2 inches (165 x 30 x 30 mm)
- Weight: 3.5 ounces (0.99 g)
CARE AND USE
MAINTENANCE
EC electrodes can develop nutrient build up over time. To minimize build up, always rinse the probe in fresh tap or DI water after every use.
CONVERTING EC TO TDS
The Milwaukee EC Pen, like all conductivity meters, provides a measure of electrically charged ions in a solution and is an absolute measure of conductivity.
EC is often converted to TDS in parts per million (ppm). Different scales include the 500 scale, 650 scale and the 700 scale. However, true PPM can only be determined through chemical analysis.
Your uS/cm reading can be approximately converted to TDS (ppm) as shown in the examples below.
1 uS/cm = 0.5 ppm on a .5 factor scale
1 uS/cm = 0.7 ppm on a .70 factor scale (442)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 4
Professional-Grade Filtration for a Factory-Fresh Drive
Size: 2023-26 CRV 1.5L Gas
If you have a newer 1.5L Civic or CR-V, you know that keeping your engine breathing clean air is the best way to maintain fuel efficiency and long-term reliability. I picked up this Engine and Cabin Air Filter Set for a routine maintenance refresh, and the fit and material quality are indistinguishable from the factory components. It’s a high-quality, "all-in-one" solution that saves a trip to the dealership and keeps your cabin air crisp.
Why this filter set is a standout for 1.5L Honda owners:
Precise "Lock-Down" Fit (17220-64A-A00): The engine air filter is a perfect drop-in for the 2022–2026 Civic and 2023–2026 CR-V 1.5L gas models. The rubber gasket provides a tight, airtight seal in the airbox, ensuring that no dust or grit bypasses the filter.
High-Efficiency H13 Cabin Filtration: The cabin filter (80291-T5R-A01) is noticeably more substantial than some budget options. It does an excellent job of scrubbing out pollen, road dust, and exhaust odors, which is essential if you spend a lot of time on the road or deal with high-humidity environments.
Rugged, Deep-Pleat Construction: You can feel the quality in the filter media. The engine filter has consistent, deep pleats that maximize surface area for better airflow, while the cabin filter feels sturdy enough to handle high-velocity AC settings without vibrating or whistling.
Direct OEM-Spec Replacement: These are true 1:1 replacements for the factory part numbers. No trimming or "making it fit"—they slide into their respective housings exactly as they should, providing a professional-level service in under 15 minutes.
Outstanding Multi-Pack Value: Buying this set is a fraction of the cost of a dealership service. It’s an inexpensive bit of insurance for your engine’s intake system and your own respiratory comfort.
⚠️ Critical Fitment Note: This set is specifically engineered for the 1.5L Gas engines. If you are driving a 2.0L or a Hybrid model, the airbox dimensions are different, so double-check your engine specs before ordering to ensure a 100% compatible fit.
Installation Tip: When swapping the cabin filter, look for the "Air Flow" arrow on the side of the filter frame. Ensure it is pointing downward (toward the floor) to match the factory airflow direction. For the engine filter, give the inside of the airbox a quick wipe with a clean microfiber cloth before dropping the new one in to ensure a perfectly clean start.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
2 for 1. Great deal over buying separately.
Size: 2023-26 CRV 1.5L Gas, Size: 2023-26 CRV 1.5L Gas
At first, I thought this was an average priced item. What I didn't realize is that my year old 2025 CR-V has TWO filters.
The normal Panel Air Filter found under the hood and a Cabin Air Filter secreted away behind the glove compartment.
The Pane Air Filter alone generally runs from $19.99 to $35.99.
Cabin Air Filter runs a little lower in average price but the 2 combined would be nearly double the cost of this kit ($26.99 at time of order).
FIT:
• These filters fit snugly. Just like the OEM versions.
Recommendation: Verify that you have the correct year/model CR-V. These will not fit the Hybrid.
VALUE
• Great price for both filters.
CONCLUSION
I don't think I can beat the price of these 2 filters together in a set. I live in an area where Spring tree pollen is often as much as 10X what is generally consider high. Changing filters regularly is a must. I certainly recommend this set for quality and value.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Every bit as good as OEM.
Size: 2023-26 CRV 1.5L Gas, Size: 2023-26 CRV 1.5L Gas
These fit my wife's 2026 CRV perfectly.
Replacement: No issues whatsoever with installing the cabin or engine air filter and all-told it took all of 5 minutes to replace both filters. Getting to the engine air filter took longer than replacing it.
Quality / durability: These filters are every bit as durable and high quality as the OEM filters I replaced them with. When I took each filter out I inspected it to make sure that they were comparable and was pleasantly surprised that there was virtually no difference between the two in construction or the appearance of the membrane.
Airflow: The membranes looked nearly identical when held to the light so airflow should be just as good with these new replacement filters as it was with the OEM. I can't believe how good of a value these filters are.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Perfect fit
Size: 2023-26 CRV 1.5L Gas
This filter set was a perfect fit for my vehicle and installed without any issues. Everything lined up exactly as expected, which made the replacement quick and straightforward.
The quality feels comparable to the original filters, and it is a great option if you are looking for a direct replacement without overpaying at the dealership.
Overall, this is a reliable and easy upgrade for routine maintenance. I would use this again.
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Reviewed in the United States on April 7, 2026
★★★★★ 4
Save money, buy non oem
Size: 2023-26 CRV 1.5L Gas
This Engine Cabin Air Filter Set is designed specifically for Honda CRV 1.5L Gas models from 2023 through 2026 and Honda Civic 1.5L Gas models from 2022 through 2026. It is important to note that this filter set does NOT fit the 2.0L engine variants. The filters replace the OEM part numbers 17220-64A-A00 and 80291-T5R-A01, ensuring a proper fit and function.
That being said, however, the AIR FILTER does fit the 2017-2021 CRV
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Reviewed in the United States on April 9, 2026
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