This is the original Tune Trapper Antenna that has "wow'd" customers since it's introduction in 2004. Whip antennas on boats don't last long due to UV and vibration. The TT was designed to be hidden and mounted anywhere in the hull or in any compartment or just dropped behind your radio. The TT no g...

Description: Use the Rainsoft Compatible CFS Brand TFC-RS9-50 Reverse Osmosis Membrane in place of: Rainsoft Part # 12447 Rainsoft Part # 17370 Rainsoft Part # 18571 Rainsoft Part # 18644 Use the Rainsoft Compatible TFC-RS9-50 Reverse Osmosis Membrane in the following Rainsoft RO Systems: Rainsoft R...

Compatible Reverse Osmosis Membrane to Replace or an alternative for a Rainsoft TFC-RS9-50 Reverse Osmosis Membrane #12447 Replaces: Rainsoft Part # 12447, 17370, 18571, 18644. Compatible Reverse Osmosis Membrane to Replace or an alternative for a Rainsoft TFC-RS9-50 Reverse Osmosis Membrane #12447...

This is the reverse osmosis filter set replacements for the Rainsoft UF50 and UF50T systems. The set includes two 5 Micron Carbon Block filters. Should be changed every 12 months. Membrane is sold separately in our store for your convenience, and needs to be changed every 4th year.

This book is a complete guide to all forms of communication at sea. It examines the international marine use of cell phones, satellites, amateur radio, and email, cutting through the jargon and sales hype to enable readers to make the right choice for their needs. Comprehensive appendices on radio p...