DWKDURAN® Insert for screw cap GL 18, Inner diameter 10.0 mm Silicone/PTFE (GLS 80® connection cap accessory)SKU · 1160172
DWKDURAN® Insert for screw cap GL 18, Inner diameter 12.0 mm Silicone/PTFE (GLS 80® connection cap accessory)SKU · 1160173