See all products of Spare polymer cartridges, for 121 and 126 series Spare polymer cartridge. For 121 and 126 series - bodies sizes 1/2" and 3/4". Spare polymer cartridge. For 121 and 126 series - bodies sizes 1" and 1 1/4", with adapter. Spare polymer cartridge. For 121 and 126 series - bodies sizes 1" and 1 1/4". Spare polymer cartridge. For 121 and 126 series - bodies sizes 1 1/2" and 2".
