Our ClearChoice and AirX filters are made in our factory and headquarters here in Indiana, with great attention to quality. Donâ€™t settle for poorly-made Chinese knock offs. Filters are not just replacement parts, they are the water and the air that our families drink and breathe.
The Honeywell TR21 that you're looking for is no longer available for sale.
TR21 - 20K OHM TEMP SENSOR
With auto delivery we make it easy for you to replace your filters.By selecting auto delivery, we will automatically ship your filters to your door when it’s time.
You will get an email notification once your new filters have been shipped.
All you have to do is pick up the box from your front porch and install your new filters. If at any point you want to cancel your auto delivery you can.
Simply click on ‘My Filter Subscriptions’ at DiscountFilters.com and click ‘Cancel’ on the subscription you want to cancel. Easy Peasy.
Install a thermostat with a filter change feature. Some thermostats can be configured to keep track of either calendar days or system run time and display a message when it’s time to change your filter, humidifier water pad, or UV bulb.