heater vent tubing under the dash

[scarborough]

looking for a site to order the black pvc duct tubing for heat vent that's under the dash for 87 olds cutlass

 

[81Regal]

https://rover.ebay.com/rover/1/711-...0001&campid=5335822911&icep_item=313234209362

 

[scarborough]

https://rover.ebay.com/rover/1/711-...0001&campid=5335822911&icep_item=313234209362

thanks for feedback but all i need the flexible tubing that pictured on the left side not hold unit