DIY Vent System › Two Hole Template Image 1 of 1 Two Hole Template $175.00 This is our standard template used for both our DIY Vent System and our metal flush mount vents. 1st Hole Size: Select 1st Hole Size 2x10" 2x12" 2x14" 4x10" 4x12" 4x14" 6x10" 6x12" 6x14" 2nd Hole Size: Select 2nd Hole Size 2x10" 2x12" 2x14" 4"x10" 4x12" 4x14" 6x10" 6x12" 6x14" Add To Cart Added! This is our standard template used for both our DIY Vent System and our metal flush mount vents. You Might Also Like DIY System Plunge Router Bit $15.99 DIY Vent Template from $49.96 Bushing $15.99 Vent Support Plate - 5 Pack from $90.00 Double Sided Sticky Tape (15LF) $15.99