SUNLU PETG Filament Bundle, 12KG PETG 3D Printer Filament, 1KG Spool, 12 Pack, Black+White+Grey+Red+Klein Blue+Green+Vivid Yellow+Sunny Orange+Lavender Purple+Pink+Olive Green+Coffee Brown

Well-known as much for their S1/S2 filament dryers as for the filament itself. The material catalog — PLA, PETG, ABS, TPU, silk — is broad and frequently discounted on Amazon. Solid all-around option.