Greetings it has been years since I have posted..<br/><br/>Good to see recognizable Monitors..and a few others.<br/><br/>Reason for the post, hope still available is resonator brand that I had on my u280..<br/>XL5050..?<br/><br/>If anyone can help.. Putting it on a 02 SOB Newmar Cumins ISL 400<br/><br/>Thanks Guys..