This single item adapter is specifically manufactured by 3M for use with cup spray guns.
3M 08223 2-Part Universal Adhesive, 200 mL Dual Syringe Cartridge, Paste, Black,
3M 08217 2-Part Universal Adhesive, 200 mL Cartridge, Medium Syrup, Clear/Dark A
3m 07333 2 PART ADHESIVE IMPACT RESISTANCE
3M Adapter #2 PN-16003 60-9801-0743-1 Genuine 3M NEW
3M 04274 NVH Dampening Material 200mL 2-Part Urethane Sealant Flexible