SUNLU High Speed Matte PLA Filament 10KG/s Fast 3D Printer Filament Bundle, 1KG Spool 10 Packs, Black+White+Grey+Olive Green+Chocolate+Cherry Red+Sky Blue+Sakura Pink+Sunny Orange+Lemon Yellow

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.