San Jamar N16 Key for Plastic Tissue Dispenser: R2000, R4000, R4500 R6500, R3000, R3600, T1790 (3 pack) Review January 30, 2018 Civillain No Comments Paper Towels A 3 pack of San Jamar waffle keys. Can be used on the following dispensers – R2000, R4000, R4500 R6500, R3000, R3600, T1790. Post navigation ← Scott Shop Towels (12pk.)- 2 pk, 24 Rolls Review(10 Pack) Set of 10- Economical Fingertip Velour/terry Towels (Bulk) Review →