For deep water over 100 meters For fauna at water/bottom interfaces Can be free-dropped up to 10 m (33 In medium or heavy-duty versions Unrestricted flow, little bottom disturbance Messenger closing for more control Parts interchangeable with Wildcocorers This design incorporates improvements by Dr. R. O. Brinkhurst, Institute of Ocean Sciences, specifically for obtaining quantitative samples of fast-moving Tubificidae. Because the valve is locked open during descent, there is minimal frontal wave and minimal warning to fauna at the water/bottom interface. It is messenger-operated and is under your full control: you can keep the K-Bopen until you are sure you have a sample. The heavy K-Baffords better penetration. Units are also available without carry cases. Specifications: Medium units weigh 7 kg (15 lb.) and include: 316 stainless steel head assembly 20long 316 SS or clear PVC core tube 45-B10 messenger, 61-B14 (100M cable, carry case Liner-type kits include: 2 nosepieces (2449-A11); 2 clear CAB liners with caps (2447-C21); 3 eggshell catchers (2449-B13) Heavy units weigh 16 kg (36 lb.) and include: 316 stainless steel head assembly 20long 316 SS or clear PVC core tube 45-B10 messenger, 61-B14 (100 cable, carry case Liner-type kits include: 2 nosepieces (2449-A11); 2 clear CAB liners with caps (2447-C21); 3 eggshell catchers (2449-B13)

Part# Name Size Material 2400-A20 K-B Corers, Medium: Standard w/CC 20in SS 2400-B20 K-B Corers, Medium: Liner Type w/CC 20in SS 2400-C20 K-B Corers, Medium: Liner Type w/CC 20in Clear PVC 2401-A20 K-B Corers, Heavy: Standard w/CC 20in SS 2401-B20 K-B Corers, Heavy: Liner Type w/CC 20in SS 2401-C20 K-B Corers, Heavy: Liner Type w/CC 20in Clear PVC