Max,
Keep in mind the HF 2HP dust collector is a different machine than a shop vac. You can only pull so many CFM thru that small hose. It has less static pressure than a shop vac. There is alot of info on dust collection, duct size, airflow, et available to research. Bill Pentz’s website is a very good resource.
For filters, consider Wynn Environmental. They offer very good MERV15 filter kits.
You may want to consider a larger pickup tube from the dust shoe for more airflow. We are presently running two SO3’s thru a Dust Deputy XL with the 1HP HF dust collector and a Wynn Environmental filter using ROGDC dust shoes. The ambient noise from the dust collector is much more quiet than the two Festool Dust Extractors we were running and has much less of a heat load.