Prevost Alto 3 - 1/2" NPT (Female) Filter Regulator Type:With Gauge I would recommend this as

I would recommend this as the absolute minimum distance from the center line

These blowguns are some of the best I've used

you'll definitely want one of these to complement your LTA75 and LTA125

you also have a small top LED that's more like a traditional penlight that will put out a maximum of 150 lumens but is not dimmable like the front COB LED

I believe the the liquid aspect of this is from the additional polymers found in it

Prevost Alto 3 - 1/2" NPT (Female) Filter Regulator Type:With Gauge I would recommend this asDescription This regulator has the option for no gauge or with a gauge and has 1 2" NPT (Female) threads.