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18x30x1 MERV 13 Air Filter - Box of 6
•Replace every 2 months
and sediment particles
it is reasonable to specify at least MERV 11 filters to maintain good indoor air quality in common types of spaces
The capsule is compatible with any type of humidifier and cleans you unit for up to 45 days
Hanna HI98127 4 pHEP Digital pH and Temperature 0-14pH Waterproof ATC Pocket pH Tester UV Bulbs 18x30x1 MERV 13 Air FilterThe Hanna HI98127 pHep4 lightweight and sleek tester is accurate to 0. 1 pH with a built in thermometer to automatically adjust the pH reading for temperature. The waterproof design (it floats), simple operation, and replaceable electrode mean that you can rely on this meter for years. The large LCD display shows both pH and temperature readings simultaneously, while a stability indicator is displayed to alert you when a stable reading has been
