Fenix Red Filter for all models starting with TK - TK10, TK11 and TK20
. Work with TK Series . Uses a toughened ultra-clear glass lens with anti-reflective coating that provides head resistance and maximum light penetrability. Made from PC 2805 plastic created by Bayer MaterialScience AG, work great for Anti-aging, anti-press and anti-impact. Easy to attach, easy to remove. Compatible with all Fenix TK-series flashlightsDimension: 0.98 in(L) x 1.56 in(D) or 25 mm(L) x 39.7mm(D)Weight 0.4 oz or 11.33 g