DWKDURAN® Insert for screw cap GL 18, Inner diameter 3.2 mm Silicone / PTFE (GLS 80® connection cap accessory)SKU · 1160169
DWKDURAN® Insert for screw cap GL 18, Inner diameter 6.0 mm Silicone/PTFE (GLS 80® connection cap accessory)SKU · 1160170
DWKDURAN® Insert for screw cap GL 18, Inner diameter 8.0 mm Silicone/PTFE (GLS 80® connection cap accessory)SKU · 1160171