Minnovation have produced a comprehensive range of approved methane drainage equipment and accessories ranging from PCD Drill Bits, E & ETA drill rods, ETA water swivel stems, stuffing boxes, probe rods etc. Also available are our range of lightweight replica watches manual pipe drilling machines for use on underground methane, water and air ranges allowing for easy installation replica rolex of our tee pieces and pipe connectors. All items are UK Coal approved for underground use.