DIY Vent System - Hybrid › Two Hole Template Image 1 of 1 Two Hole Template $175.00 The Two Hole Template is used to route the preexisting flooring around the duct to the size of the Hybrid plate. 1st Hole Size: Select 1st Hole Size 2"x10" (OD 3"x11-3/16") 2"x12" (OD 3"x13-3/16") 2"x14" (OD 3"x15-3/16") 4"x10" (OD 5-1/2"x11-3/16") 4"x12" (OD 5-1/2"x13-3/16") 4"x14" (OD 5-1/2"x15-3/16") 6"x10" (OD 7-3/4"x11-3/4") 6"x12" (OD 7-3/4"x13-3/4") 6"x14" (OD 7-3/4"x15-3/4") 2nd Hole Size: Select 2nd Hole Size 2"x12" (OD 3"x13-3/16") 2"x14" (OD 3"x15-3/16") 4"x10" (OD 5-1/2"x11-3/16") 4"x12" (OD 5-1/2"x13-3/16") 4"x14" (OD 5-1/2"x15-3/16") 6"x10" (OD 7-3/4"x11-3/4") 6"x12" (OD 7-3/4"x13-3/4") 6"x14" (OD 7-3/4"x15-3/4") 2"x10" (OD 3"x11-3/16") Add To Cart Added! The Two Hole Template is used to route the preexisting flooring around the duct to the size of the Hybrid plate.