Probably the most widely used plankton trap today, it operates on the same principle as bottle samplers but is larger. Its water-clear, strong polycarbonate body minimizes avoidance reactions on the part of zooplankton while enabling you to sample at a specific depth. Stainless steel handles are mounted to sides and attach the trap to a line. Available in two sizes, although 30 L is recommended in Standard Methods.

Specifications:
• 34-A20: 12 Liter volume, 216 x 216 x 318 mm in size (8½ x 8½ x 12½”). Ship wt: 20 lbs.
• Both sizes include 200mL Dolphin™ bucket with 61 micron stainless steel screen cloth; Nitex® filter net (2-1/8” cod end, 12¼” long, 63 micron); Dolphin™ adapter; and carry case.
• Handles hinged to fold flat for storage.