• Foam oasis for superior performance
• Metal, tape and magnet for easy attachment
• Solid abs construction
• Durable black case

Rectangle: HUMI-F250
Dimensions: 6 5⁄8"w x 2 ½"h x ¾"d
• Display of 6

Round: HUMI-F75
Dimensions: 2 ¼" dia x 1" d
• Display of 12

Bar: HUMI-TR
Dimensions: 6"w x ½"h x ½"d
• Display of 20