Manufactured by Hydro Balance , Werqueid Condensate Drain Strips Help to Prevent Drain Pan Build-Up.Item Specifications: EPA Registered # 68114-1-46463 / EPA Est. # 68114-FL-001 for use in condensate drain pans, the timed release of a special formula provides up to 6 months protection from the build up in drain pans and helps to prevent drain line build up as well.Additional Information:CS-250 Pan Strip , For Units Up To 5 Tons Time release treatment in protective 'sock' , Lasts up to 6 monthsApproximate Dimensions: 1/4" x 1-1/4" x 12" HWD (inches)Directions for Use:Place in drain pan as far from drain as possible, Hydro Balance Werqueid Condensate Pan Strips with built-in corrosion inhibitor will not cause rust in drain pans and are easy to remove at time of maintenance.Replaces / Supersedes:CHM0258 , CHM-0258 , CHM00258 , Algae Guard AG8/1.50-H , AG8/1.50-R , AG12/1.50-R , AG12/1.50H , Klean , CRT Controlled Release Technologies , Dynamic Time-Release Drain Pan Treatments PT3-5 , Nature's Home , PanGuard RC8/1.50 , HC8/1.50 , RC12/1.50 , HC12/1.50 , TR-BioKlean , ServiceFirst , B12-487 , Trane DTR5-1-E , DTR5-6-R , TR BioKlean , BK65 , QEPBK65 , Vapco Sani Pan SPS-5T , Specialty 6696 and similar pan strips.Additional Drain Pan Treatments and Condensate Products AvailableNote : Images are for illustration . Actual item may vary.