Kensington GlareMaster® Plus Hanging Flat Frame Monitor Filter GlareMaster® Plus Hanging Flat Frame Monitor Filter 98% antiradiation/antistatic; reduces glare 95%. Flat glass filter hangs from the top of the monitor. Adjustable brackets and nonskid feet. Antiradiation—Conductive coatings and grounding wire help to dissipate ELF/VLF E-Field radiation. 98% reduction. Antistatic—Grounding wire lessens static charge while reducing dust buildup and the risk of data loss. 98% reduction. Antiglare—Special coating reduces glare and reflections from the front of the monitor by 95%. Fits 19"-21" CRT Monitors Gray