STOP STICKER STAIN ! Air-O-Flow kiln sticks and blocks provide maximum air flow between the kiln stick and lumber surface. Air-O-Flow Profiled or Flat Sticks - Available in domestic and imported hardwoods. Air-O-Flow Profiled Blocks - Larger blocks are available that go between lumber packs and the bottom of packs. Blocks are ideal for drying thick lumber and slabs. Save money ! - Send us your sticks, lumber, and blocks and we will profile. Standard & custom sizes available. Small orders (500 piece minimum) to Truckload quantities. Call Kelvin @ 731-446-4069.