Not sure how many you need? Try our WAVE CALCULATOR
Wave Drape Calculator
For Center open rods enter the size of each side (panel) then multiply result by two. This will ensure each panel has an even amount of carriers
Lateral Support 40 is an inside mount and can only be used on rods up to 72"
When ordering deduct 1/4'' from rod length per support
Tekno, Tekno 40