Silicone Nozzle + Screw Cap for Standard EU3 Cartridges | Truly PVC - Conservatory Window Door Roofline and Building Products
4 Simple Ways to Keep Silicone from Drying Out - wikiHow
The Sealant Cartridge Nozzle Cap That works. New version available by The-Mechanic - Thingiverse
sealant cap" 3D Models to Print - yeggi
4 x Screw Caps & Nozzles for Silicone sealant, Mastic and EU3 Cartidges - Helps Prevent Silicone and adhesives from Going Hard in The Tube. : Amazon.co.uk: DIY & Tools