The Nu-Calgon 4298-22 PowerZyme Liquid Enzymatic Drain Line Treatment is a liquid enzyme-based drain line treatment designed for use in the HVAC and food service market. PowerZyme liquid is a quick and easy solution to address condensate and drain line problems such as odors, grease, sugar snakes, and more. PowerZyme liquid is easily dispensed from the quick flip top spout, to address a variety of applications. Designed to keep drains from fouling from sludge organic matter, and quickly reduce and eliminate odors. When used as directed, it will resist future build-up for up to 3 months. PowerZyme liquid is heavier than water so will easily pour through standing water. THE NU-CALGON 4298-22 POWERZYME LIQUID ENZYMATIC DRAIN LINE TREATMENT IS FOR PROFESSIONAL USE AND SHOULD ONLY BE USED IN ACCORDANCE WITH ALL REGULATIONS AND PROPER SERVICE PRACTICES. PLEASE SEE PRODUCT LABEL OR CONTACT NU-CALGON DIRECTLY FOR USE INSTRUCTION. IT IS RECOMMENDED TO UTILIZE THE APPROPRIETE PPE (PERSONAL PROTECTIVE EQUIPMENT) DURING APPLICATION.