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- High output
- Our unique and proprietary clay solution allows for the best water absorbs I on and humidity output in the industry
- These water pads will maximize your humidifiers output
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BestAir whole house humidifier replacement water pad. General 709, 990, 1040, 1042, 1137 (990-13); Williamson power 500; Hamilton 10HF. For best performance, change at least once per heating season, maybe more depending on water conditions and frequency of use. Made in the USA.