Simply replace the old carbon model with this one. Two minute job and no special skills required. This will give perfect quality speech. This will fit any 700 series model. Below is with the optional easy locate plastic top. If bought with the sponge packing fitting is identical but using sponge to pack out.
Fit in two minutes, see pictorial fitting pictures below. Tools required are one 5 mm flat head screwdriver.
Free counters provided by Vendio.