My son only likes the advent soothie pacifiers, he just turned 4 mos old and I lost his paci and had…

My son only likes the advent soothie pacifiers, he just turned 4 mos old and I lost his paci and had to go buy a new. He had been using the 0-3 mos paci but I bought the "super soothie" for 3+ months. It's the same but it's thicker and harder and he doesn't like it. Is it okay to just keep using the 0-3 month soothies?