replacement gasket for a Tower Speed 7 Pressure Cooker Model No. 11253?

i'm looking for 2 rubber sealing rings for a Tower Pressure Cooker. It was bought in Lidl. The booklet said to email this address for replacement parts. Model No. 11253. Cavan/Westmeath area. On the bottom of the item is the following: Lot 0852, v71, PN08 Bar.