The dryer is what makes the psssssh sound when the air system reaches pressure, the filter will be on top of it. Mines on rear near the air filter.
I think replacement annually is too often every 2-3 years is ok.
1998 HR Endeavor Cummins ISB 275 / Banks Allison 3060
20014Jeep Wrangler JKUR with M&G air brake with breakaway