the pulp slurry source 12 has feed line 14 and feed line flow control 16 that provides flotation cell 24 with pulp slurry flotation cell 24 can incorporate vacuum break 26 and or waterproof camera 28 and or sight glass 30 flotation cell feed line 14 has injector assembly 18 interdisposed therein providing a source of pulp slurry to flotation cell 24 having accept port 34 and accept line 36 with foam separator 32 feeding reject port 40 contaminated foam slurry traveling via reject line 38 to sludge tank 42 at sludge tank port 44 sludge tank 42 has drain 46 leading to reject tank 64 and moisture vent 48 leading to conduit 50 terminating at moisture trap port 52 moisture trap 54 has drain 58 leading to reject tank 64 with both drains 46 58 incorporating trap 66 to maintain vacuum within the system moisture trap supply port 60 forms a part of air control module 62 having vent 68 proving additional air as needed air control module 22 incorporates conduit 70 and flow meter 72 connected via conduit 22 to injector assembly air intake port 20 completing the closed system that recirculates the air within the system 10 referring to fig4 shown is a frontal view of the module air flow meter and valve of the present invention shown is the air flow control system 62 comprising a safety valve 68 used to add extra.