About this item❥ISO-9001 and MSDS certificate approved. 12 mounths limited warranty / Shelf life: 18-24 months.❥Compatible With: Samsung CLP-320, CLP-320N, CLP-321N, CLP-325, CLP-325W, CLP-326, CLX-3180, CLX-3185FW, CLX-3185N, CLX-3186❥Estimated page high yield:up to 24,000 pages (depends on printer and usage) （at 5% coverage）❥Package includes: Drum Unit Replacement x 1