Type B, Perforated - Brass Body Core Vents

Perforated type for flat surfaces and usually coarser sands. Brass body and brass top. Pierced slots .016" x .120". Sizes 1/2" and over have supporting wire braces.

Ordering Instructions
(1) All highlighted (yellow) items will be discontinued when inventory is depleted.

(2) Our core box air release vents are now sold in full bag quantities (100 vents/bag).

(3) All type B vents are special order and non-returnable.

Sand Modulus	Core Vent Slot Width	Core Vent Mesh Size
Up to 55 AFS	0.45mm (0.014")	40 Mesh
55-75 AFS	0.30mm (0.012")	50 Mesh
75-80 AFS	0.25mm (0.010")	60 Mesh
Above 80 AFS	0.20mm (0.008")	70 Mesh