Use the flow rate of the zone or the number of feet of Techline CV to determine what size filter to use. Example: If you have a 7.37 GPM zone of .4/12"
Techline CV (7.37 GPM = 1,100' of dripperline) use the 1" Techfilter. Note: One or more Techfilter sizes may work for your application.
30
TF
Techfilter
075 =
TF
10 = 1"
10L = 1" Long
15L = 1
20 = 2"
TECHLINE CV Minimum & Maximum Feet for Each Filter Size