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EnviroPRODUCTS |
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Standard Ponar Grab/Ponar Dredge This sturdy dredge is a deliberately heavy device.Self-closing scoops have center pivot closing action. When the scoops strike the bottom, their tapered cutting edges penetrate well with very little sample disturbance. An attached underlip wipes the scoop clean of pebbles and cobble that would interfere with closing. Features of the Standard Ponar Grab:
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