If the product is damaged or unusable, please contact us in time for replacement Metal Replacement Attachments: making your pek vacuum runs more efficiently and securely; Please kindly check our product information for reference in order to purchase the correct one. Installation Method: Spiral buckle Heating Method: Ceramic Cup (double heating) Adaptive equipment: PUFCO PEK V1 Metal Attachment Accessories, Insert Accessories PUFCO PEK I, Replacement Parts PFC-P I Accessories ( V1 )