Related Clues:

• Right-angled pipe bend
• Plumber's union?
• Right-angle piece
• Measure of 45 inches
• Em lead-in
• 90-degree fitting
• Tetris piece
• Extension of the main building
• Right-angle pipe joint
• Letter-shaped annex
• Kay's follower
• !2th alphabet letter
• Bent pipe
• 90-degree pipe piece
• Pipe joint with a 90-degree turn