Good to know. I was thinking of buying one.
The inline filter— https://www.amazon.com/Mr-Heater-Portable-Heaters-F273699/dp/B000HE8P2O
I preferred the hose. The special hose— Mr. Heater Buddy Series Hose Assembly - 10-ft., Model# F273704
https://www.amazon.com/Mr-Heater-Buddy-Hose-Assembly/dp/B001CFWF5U/ref=sr_1_3?keywords=Mr.%2BHeater%2BBuddy%2BSeries%2BHose%2BAssembly%2B-%2B10-ft.%2C%2BModel%23%2BF273704&qid=1701119401&s=home-garden&sr=1-3&th=1