The Ozark Mountain hardwood pipe has been a very popular option in our series of mid-sized pipes. It comes in 2 colors and shapes: Maple Oval straight and Cherry Rob Roy bent. Both pipes come with a black bit. The Ozark Mountain is a super value for a genuine, hardwood pipe! Our Ozark Mountain Hardwood bowl pipe is filtered. The Maple finish has an oval bowl shape with a straight stem while the Cherry finish has a Rob Roy shape with a bent stem. Approximate Dimensions: Length: Straight: 6 in/152.4 mm. Bowl height: 1.75 in/44.45 mm. Chamber diameter: .75 in/19.05 mm. Chamber depth: 1.25 in/31.75 mm