The Top Safe 21cm extension piece for a high pet gate is an excellent accessory that allows the Top Safe Pet Gate to be used with a wider doorway, the lower or upper level of stairs or a corridor. With the extension piece, you can convert the port to suit your specific needs. You can add an extension to either one or both sides of the port. Please note that we recommend adding a maximum of one extension piece per side of the port to ensure optimal stability.
Made of durable metal Dimensions: length/depth: 3 cm, width: 21 cm and height: 91 cm Suitable for use in wider doorways Can be attached to one or both sides of the gate It is recommended to use no more than one extension piece per port side Show more 
