Evenflo safemax

Hi Mommas! Can anyone help point me in the direction of a replacement newborn insert for the evenflo safemax infant car seat? I’ve scoured the internet and have been coming up short. If not the evenflo replacement, is anyone aware of any SAFE and approved alternative brands? My car seat is perfectly fine and in date however my newborn insert is nowhere to be found and new baby is due in the next 10 weeks 😅 thanks in advance friends!!