“Ee importance of correctly controlled In developing our Low Pressure Green- 
greenhouse humidity is now recognized house Humidity Systems, our chief con- 
as a very necessary factor for optimum siderations were maximum efficiency with 
plant growth. Daily we hear reports from : 5 
‘ the best materials at the lowest possible 
commercial growers, our agricultural ex- ; 
; cost. This system can be manually operat- 
periment stations and from hundreds of ; 
: in vith automatic trols 
small, amateur growers and_ hobbyists ed or combined with autom ee 
throughout the country as to the value to make up a simple, efficient, low-cost as- 
sembly. For installation we recommend 
and many benefits derived from properly 
controlled humidity — especially in re- 1%” copper tubing available at your 
lation to orchids. plumbing supply house. 
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 brase nozzle tip with a 4,” 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 
INogele Lbs. Operating Pressure 
No. 25 30 35 40 60 80 100 
H-261 1.03 E15 1.23 1.39 1.62 1.85 1.95 
Flusn out valve 
