12x12x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack DUCTWORK Note: Normally 50 units fit

Note: Normally 50 units fit in a 10x20 tray

translucent cover

so you can work comfortably over long hours

The Hanna Instruments HI1333B is a combination (full-cell) pH electrode with a single ceramic junction

Purpinator 60 Liter (1/CS)

12x12x1 Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack DUCTWORK Note: Normally 50 units fitNordic Pure 12x12x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material