"K" Tanks, "D" Tank, Bell type Roof Top Ventilators

Local Pickup only, Salt Lake City, Utah area.
TANKS ARE SOLD:

I have 4 "K" (250CF) tanks. One is full, two are empty, one partial full. $150 each. I also have a full "D" (125 CF) tank. $100.

I have some rooftop "Bell shaped" Exhaust Fan Ventilators:

Fantech 5BDD15DB-A Roof Fan, Belt Drive Downblast, 1/2 hp, 15", 115/230V, 1 Ph
Amazon listing: B00FH30JPQ

Fantech 5BDD13DB-A Roof Fan, Belt Drive Downblast, 1/2 hp, 13", 115/230V, 1 Ph
Amazon listing: B00FH30GMW

Fantech 5DDD13DB Roof Fan, Downblast, Direct Drive Centrifugal, 1/2 hp, 115/230V, 1 Ph, ODP, 13"
Amazon listing: B002E8FNN0 (2 of these)

Direct-drive downblast ventilators are designed for use where steady exhaust
ventilation is needed under low to moderate static pressure conditions.
Ventilators can be mounted on the roof or wall. All models are equipped with a
backward inclined aluminum fan wheel and a speed controllable motor.

Mine are all new but have dents, etc. Your choice $200 each local pickup in Sandy, Utah.