This updated monoblock design works in the same way as the trusted ZWB seals

The 598-SW-S is designed for AIS frequencies with a low < 1

1021DPOBLK is made of tough plastic material with the spring action molded in

which have brighter output and super-low power draw

Description Diameter x Length Strainer IPS 20 Mesh Screen 2-1/4" x 5-1/2"  1-1/2"

Vetus CABLF30 - Low Friction push/pull cable, length 3 m Sea Recovery This updated monoblock design worksThis high quality push pull cable uses a multi strand wire core for superb strength and flexibility. The core is provided with a ribbed synthetic sheath, ensuring that contact with the outer casing is kept to a minimum. Therefore, LF type cables are therefore ideal for long and complicated runs and for dual station installations.