Foam N' Seal FNS500 Insulating Foam Dispensing Gun TEFLON non-stick canister adaptor, needle, check valve, gun body for easy foam removal Adjustable foam bead control allows variable foam bead size control Excellent bead control, allows variable bead size No post-dispensing foam drip.Less foam waste. Restartable for up to 30 days Compatible with Great Stuff Pro, Touch n Seal, Fomo Handi-Foam, Handi-Stick, Seal Pro Guns