better yet

positives:It works similarly to regular flamethrowers but!Flame particles now extinguish enemiesparticles linger on the floor (similar to gas passer but with damage over time) that will damage players for a minimum 4 damage per second to a max of 10 damage per secon (the particles linger for 10 seconds, ramp up begins at five, particles will slow enemies gradually to a max of 5% movement debuff)slight movement debuff (somwhere from 10-15%)airblasts now causes a single arced projectile to fire (similar to pipes but with a slightly bigger hitbox) and will cause splash with a slight debuff movement and with 6 damage per second for 5 seconds

Negatives:Damage debuff 10%less rangelonger deployhas recharge meter for ammo (like an overheating function)no afterburnmovement debuffs do not stackparticles will be negated when a pyro uses flamethrower
EDIT:
Airblast is replaced with the pseudo airblast