Amazon.com: [2 PACK] 24 inch Anti Glare (Matte) Screen Protector Compatible with All Brands of 24" Widescreen Desktop with 16:9 Aspect Ratio Monitor(SIZE: 24" Diagonal x 20.9" Width x 11.8" Height) : Electronics
3M™ Anti-Glare Filter for 24in Monitor, 16:9, AG240W9B | 3M United States
3M Anti Glare Screen Filter for Laptops 15.6 Widescreen 169 AG156W9B - Office Depot
3M Anti-Glare Filter for 27" Widescreen Monitor (Monitor sold separately) - Walmart.com