10X30X1 MERV 11 Pleated Air Filter 6PK - 9.5x29.5x.75 - Actual Size Hydrotech 18x25x1 MERV 13 filters are

18x25x1 MERV 13 filters are pleated

The Sterilight BA-ICE-C Replacement Ballast for All Cobalt Basic Series Models offer both an audible and visual alarm that allows for simple troubleshooting in the field

System installs easily or call one of our Certified Water Specialists with your questions

16x20x4 MERV 11 filters are pleated

10X30X1 MERV 11 Pleated Air Filter 6PK - 9.5x29.5x.75 - Actual Size Hydrotech 18x25x1 MERV 13 filters are10x30x1 MERV 11 Air Filter Box of 6 Actual Size of Filter: 9 1 2 x 29 1 2 x Air filters are ranked in a minimum efficiency rating value (MERV) system. The higher the MERV rating, the better the filter can filter out all airborne particulates. Since we are constantly trying to improve indoor air quality, it only makes sense that we would offer air conditioner filter MERV 11. 10x30x1 MERV 11 filters are right on the cusp of being classified as medium