VeriTru glass block spacers

Description

VeriTru glass block spacers. Old stock but unopened in bag.
This Pittsburgh Corning Thinline Veritru Mortar Spacer is used in between glass blocks to assure proper placement. It keeps panels flush when installing glass blocks with the mortar installation system.
Designed to not show in finished product
Rigid white plastic construction
For use with mortar installation
Keeps panels flush