I built mine with heavy duty slides from Home Depot. I attached the slides to the wall of the compartment with nuts and bolts and screwed the sliders to the plywood trays that I made. It was inexpensive and works great.
NOTE; I am not responsible for typos, poor grammer or misspelled word !
04 Itasca, Meridian 34H, 330 Cat/2003 CR V Toad
1933 Ford 3 Window,as seen in Bye Bye Birdie
Pvt. E1 Retired, Shadow Hills,Ca.