GVS Pre-filter kit for A1P3 & ABE1P3 filters - 2 holders 10 pads

• Helps prolong the life of GVS A1P3 and ABE1P3 filters, by removing larger particulates
• Kit includes two holders, and 10 pre filter pads
• if you already have two holders and only require additional pre-filter pads, purchase p/n SPM421