Used on: POLARIS TRAIL BLAZER 250 ES 1996-1997 TRAIL BLAZER 250 1998-2004 TRAIL BLAZER 250 FREEDOM 2002 12V / 12 AH / CCA 200 DIMENSIONS: LENGHT: 5 5/16" - 135mm, WIDTH: 3 1/2" - 90mm, HEIGHT: 6 9/16" - 168mm AGM (absorbed glass mat) is a special design glass mat designed to wick the battery electrolyte between the battery plates. Maintenance free never needs water.