Nu-Calgon 4190-02 Scale Inhibitor

Keep humidifiers clean and scale-less with Humidi-Pro. Inhibits scale for one season. Install on the water line that supplies water directly to the humidifier. Equipped with John Guest fitting for easy installation and seasonal change-outs. Clean pad or install new pad before installing Humidi-Pro. Install a new Humidi-Pro before each heating season. Operating temperature, min. / max, 40 – 80 F.

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.