AC-0013g - Replacement Elements/Kit - K013AC – AC?MODELS?ONLY: 1. Maximum working pressure of 20 bar g (290 psi g) available with manual drain. 2. If manual drains are required, please order standard AC purifier and part no. 69203 - see accessories. 3. Purifiers AC-0006G to 0065G are combination units. i.e. top stage grade AC and bottom stage grade AA. 4. Packs of six AC replacement elements are available with service kits. 5. Mounting bracket kits available - see accessories.