When you give us measurements, this is how we see them - please make sure you mean the same as us!

Standard Side Channels

Head box and inside-channel measurements for standard channels

Flange Side Channels

Head box and inside channel measurements for flanged side channels

Right Hand Flange

head box and inside-channel measurements for right-hand flanged channel

Left Hand Flange

Head box and inside-channel measurements for left-hand flanged channel