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Freeman's Guide To Core Vents
Part 2 of 2: Freeman's Line of Core Vents

All of the following core vents are available in various diameters. Each title and picture is linked to the respective product pages.

 

Slotted Core Vents

Type D, Slotted - Brass Body

.010 & .014 slot widths
.093 head thickness

 

Type S, Slotted - Brass Body

.014 slot width
.031 head thickness

 

Type T, Taper Slot - Brass Body

slot width varies due to taper
head thickness varies due to taper

Type C, Slotted - Steel Body

.010, .014, .020 slot widths
.031 & .093 head thickness

Type XD, Slotted - Brass Body

.010 & .014 slot widths
.156 head thickness

Type XD, Slotted - Steel Body

.014 & .020 slot widths
.156 head thickness

Type AD, Slotted - Aluminum

.010 & .014 slot widths
~.082, .093, & .156 head thickness

Coated, Slotted - Aluminum

.014 slot width
.093 head thickness

 

Screen Air Core Vents

Type K, Screen - Brass Body

24, 30, 35, 40, & 50 Mesh

(also available in steel)

 

Special Core Vents

Type B, Perforated - Brass Body

.016 x .120 pierced slots

Type PM, Porous Metal- Brass Body

.046 Wall & .156 Head

Shalco Super Vents

self-cleaning
43% opening rate (versus 13% for slotted and 30% for mesh)

Vilsum Nylon Metric Vents

durable, non-stick
0.4mm Slot Width

 

 

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