- AC and Heating Equipment
- Indoor Air Quality
- Food Service
- Compressors
- Motors
- Controls and Electrical
- Parts and Components
- Supplies and Service
- Retired and Closeouts
Costguard cartridges replace all major competitive slimline 10" and 20" bowl type cartridges and large diameter 4 1/2"-20" cartridges.CGSeries cartridges are NSF listed carbon filter cartridges for chlorine, taste and odor reduction. S suffix cartridges incoporate scale reducers for heating elements, evaporator plates and valves.