The Canadians of QP Design proposes their atomiser for mono-coils, Juggerknot Mini RTA. 

An atomiser 24mm in diameter and has a capacity which can pass from 2ml to 4.5ml depending on the reservoir. 

The Juggerknot Mini has the particularity to have an aeration from the top of the tank to avoid leaking of e liquids. 

The filling is also effectuated from the top.

Specs:

24mm Diameter
Single coil
No leaking
Postless deck
Pull up top fill
Side installed screws (No coil twisting)
Adjustable Top airflow
Airflow stopper (No free spinning)
New deck design (More airflow + Flavor)
Triple channeled airflow to coils
Airflow to coils (side,under,top)
Signature 810 drip tip (Random color top)
Glass 4.5ml bubble tank
Glass 2ml tank 
Vape band with logo
Flat head screws
Hex grub screws
Black O rings
Accessory bag
serial number
Signature 810 drip tip(Removable bottom ring)