Nu-Calgon 61051- PurCool Green Tablets (1 Tablet)

One Tablet treats up to 5 tons for 4 months. Prevents slime, sludge, odors, and condensate drain pan overflow

Time release tablet locks in place on drain pan

Tablet completely dissolves , no residue, nothing to remove

Use multiple tablets for larger systems.

Improves indoor air quality safely and naturally

Non corrosive

A Green Condensate Treatment product , no harsh chemicals or biocides