G-Dive Drysuit Bellows Neck Seals

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As low as $20.95
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SKU
GDI-xD-N1-x
Bellows Neck Seal

The standard design neck seal found on most drysuits offers a {10in | 252mm} mounting diameter at the base, three different latex thickness options, and a variety of choices for neck sizing - see sizing chart below. As a general rule, the seal opening should be trimmed to be no smaller than 80% (i.e. maximum of 20% less) than your actual measurement of the relaxed neck circumference, tighter than that could cut off blood flow to your brain.

Latex Thickness Options:
  • Flexible (FD): 0.5mm to 0.7mm - More flexible with more stretch than the standard
  • Standard (GD): 0.7mm to 1.0mm - Usual thickness found on most seals
  • Heavy Duty (HD): 1.0mm to 1.4mm - Thicker, thus more durable, but less comfortable

Neck Seal Size Chart

Standard Bellow Neck Seal - 10" Mounting diameter (standard)
Item # Size Quality Neck Circumference /Diameter Fits** Thickness
FD-N1-S Small Flexible 9.15" / 2.91" 10"-13" 0.5-0.7mm
FD-N1-M Medium Flexible 10.5" / 3.34" 12"-15" 0.5-0.7mm
FD-N1-L Large Flexible 11.9" / 3.79" 14"-17" 0.5-0.7mm
FD-N1-XL* X-Large Flexible 13.5" / 4.30" 16"-20" 0.5-0.7mm
GD-N1-S Small Standard 9.15" / 2.91" 10"-12.5" 0.7-1.0mm
GD-N1-M Medium Standard 10.5" / 3.34" 12"-14.5" 0.7-1.0mm
GD-N1-L Large Standard 11.9" / 3.79" 14"-16.5" 0.7-1.0mm
GD-N1-XL X-Large Standard 13.5" 16"-19" 0.7-1.0mm
HD-N1-S Small Heavy Duty 9.15" / 2.91" 9.5"-11.5" 1.0-1.4mm
HD-N1-M Medium Heavy Duty 10.5" / 3.34" 11"-13" 1.0-1.4mm
HD-N1-L Large Heavy Duty 11.9" / 3.79" 12.5"-14.5" 1.0-1.4mm
HD-N1-XL X-Large Heavy Duty 13.5" / 4.30" 14.5"-17" 1.0-1.4mm

* Item is special order, contact Dive Gear Express for availability.
** Fit is only a guideline, as personal preference for comfort varies widely among divers.

More Information
SKU GDI-xD-N1-x
Weight (lbs) 0.2000
Brand G-Dive
Size No
Customer Reviews
Most Helpful Customer Reviews
  1. heavy duty neck gasket

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    on

    Double thickness latex feels durable and the price was excellent. Installation went fine.
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  2. Good product. Excellent service

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    on

    I find DGE to have excellent service. The seals they sell are good and the price is right. The manufacturer needs to re calibrate the sizing charts. I measure my wrists and neck before I re order and find the seal sizes they recommend to be a bit big for me. Fortunately DGE has been good about exchanges.

    DGX Reply: We have consulted with G-Dive and updated the sizing charts. Thank you for your input!
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  3. Great Neck Gasket for my Kayak Dry Top

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    on

    The neck gasket for my kayak dry top appears to be of excellent quality. I had no trouble glueing it on and it fit the older dry top very well. It's a great value for the money.
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  4. Happy

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    Great product,not flimsy seals from the past
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  5. great speedy delivery Thank you

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    great speedy delivery Thank you !!!!
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