Wheaton Science Products WPSFC2000 Plastic Shaker Flask Clamp for 2000 mL Shake Flask: Amazon.com: Industrial & Scientific
Shaker Accessories Flask Clamp, 125 mL | OHAUS
Orbital-Genie Flask Clamps - Scientific Industries, Inc.
Replacement clamps for use with Corning LSE Orbital Shakers and Corning LSE Low Speed Orbital Shakers clamp for the 50 mL Erlenmeyer flask, 1ea laboratory clamps
Clamp for 2L Erlenmeyer Flask S2040-02 for Labnet Orbit 1000 and Other Labnet Shakers - Stellar Scientific