he importance of correctly controlled 
greenhouse humidity is now recognized 
as a very necessary factor for optimum 
In developing our Low Pressure Green- 
house Humidity Systems, our chief con- 
siderations were maximum efficiency with 
lant growth. Daily we hear reports from ; : 
: : ; E the best materials at the lowest possible 
commercial growers, our agricultural ex- 
f : cost. This system can be manually operat- 
periment stations and from hundreds of : 
. i 71 ati ntrol 
small, amateur growers and_ hobbyists ed or combined with automatic controls 
throughout the country as to the value to make up a simple, efficient, low-cost as- 
and many benefits derived from properly sembly. For installation we recommend 
controlled humidity — especially in re- VY” copper tubing available at your 
, I ) ) 
lation to orchids. plumbing supply house. 
+= -NOZZLE-ASSEMBEY-—— ~~ 
Illustrating our special combina- 
tion low-pressure H-261 nozzle tip, espe- 
cially designed to atomize water ai 
low pressures, and special copper sweat Tee 
fitting designed for use with the H-261 nozzle tip. 
The all brass nozzle tip with a 14.” standard male 
thread screws directly into this special 
tee fitting. The 120 mesh Monel strainer, which 
will not rust or corrode, protrudes approximately 1” 
into the body of the fitting to facilitate cleaning. 
We recommend a faucet at the far end of your 
supply line for this purpose. 
Nozzles available in 60°, 80° and 120° spray angles. 
(See insert). 
CAPACITIES IN GALLONS PER HOUR 
| Nazi | Lbs. Operating Pressure 
Mea Oh 35 40 60 80 | 100 
H-261 | 1.03 | 1.15 p23 1.39 1.62 1.85 1.95 
Flush out valve 
