10X30X1 MERV 11 Pleated Air Filter 6PK - 9.5x29.5x.75 - Actual Size Hydrotech 20x25x4 MERV 11 filters are

20x25x4 MERV 11 filters are right on the cusp of being classified as “medium efficiency MERV pleated air filters” and “high-efficiency MERV pleated air filters

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

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

Sodium chloride separates into Na+ and Cl-

10X30X1 MERV 11 Pleated Air Filter 6PK - 9.5x29.5x.75 - Actual Size Hydrotech 20x25x4 MERV 11 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