After 3 years of development and over 25 prototypes, Keene Engineering developed the perfect concentrator riffle.
The first Hungarian riffle molded into a soft rubber mat is now included in many Keene products.
See the amazing recovery of micro fine gold that this mat produces.
Miracle Mat sets under the classifier screen that is placed at the head of the sluice box.
Spot ultra fine gold easily and quickly by checking the Miracle Mat.
The Keene Miracle Mat measures 12" wide x 35" long (Sorry, no custom cuts in length are available).
All prices are in Canadian Funds and do not include tax and/or shipping ( if applicable)
This product was added to our catalog on Tuesday 07 March, 2017.