JW Fishers Multifrequency Transponder Housing:Very Long Duration Housing The Garrett ATX 8" (20

The Garrett ATX 8" (20 cm) Mono Searchcoil is designed for exceptional performance in highly mineralized areas

All motors are reversible and operate at variable speeds of up to 2 mph

sewer grates

Notch filter for external noise suppression

An optional rechargeable battery kit is available

JW Fishers Multifrequency Transponder Housing:Very Long Duration Housing The Garrett ATX 8" (20JW Fishers SLFP 1 Low Frequency Pinger Acoustic pingers are devices that generate acoustic signals underwater. They are used to mark an underwater site or piece of equipment so a returning diver, using a pinger receiver, can locate the exact spot. Pingers are available with different transmit frequencies so several can be deployed in the same general area without interference from each other. The diver adjusts his pinger receiver to the frequency of