I have one 1/4" tube weaving in line for my hedge....do these work in-line with the 1/4" tubing to spot water exactly where needed??

Yes, they work "in line" because they are pressure compensating. Be aware that they best work between 15 and 35 PSI, secondly @ 30 PSI and 30ft long, a 1/4 in line will have a flow of about 15 to 20 gallon per hour, hence you cannot put 50 drippers on the same 1/4 line (50 x 0.5 GPH = 25 GPH. You are then above the Max flow) If you need long lines of 0.5 GPH, look for "perforated tape @ 0.5 GPH" If you can't find here, ask me for the link. If you have "dirty water" I would then recommend Antelco drippers, because they are cleanable, The RainBird ones are not.I hope it helps Good luck

Now that i have these which way do i install them? if i put the red part into 1/4 tube get drips, black end into tube a stream what is 2gph

2 gph is the flow rate. It stands for 2 gallons per hour. Insert the black pointed tip into your 1/4" tubing, and the water comes out the opening in the red side.

I can't find detailed info on this model on Rainbird's site. What is the appropriate water pressure range for these emitters?

Because of their pressure compensating design, you get the same amount of water using pressure ranges from 15 to 50 psi. Generally speaking, we usually recommend that you use a pressure regulator set at 30 psi in most drip applications where 1/4" tubing and fittings are involved. Excess pressure can cause the smaller fittings to come loose from the main line. Thanks for the question, and if we can be of further assistance, please give us a call 208-336-3747

I see red and green drips 2gph.what is the difference?

Red is GPM, Black is 1 and Blue is 1/2 GPM

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💧 Smart watering made simple — keep your garden thriving effortlessly!

COLOR CODED CONVENIENCE - Bright red emitters make flow rate identification a breeze, helping you customize irrigation zones with precision.
OPTIMIZED WATER ABSORPTION - Slow watering rate promotes deep root hydration, reducing runoff and maximizing soil moisture retention for healthier plants.
BUILT TO BRAVE THE ELEMENTS - Crafted from durable UV and chemical-resistant materials, these emitters withstand harsh outdoor conditions season after season.
CONSISTENT HYDRATION EVERY TIME - Pressure-compensating emitter delivers a steady 2.0 gallons per hour flow rate, ensuring your plants get exactly what they need regardless of tubing length.
EFFORTLESS SETUP WITH SELF PIERCING DESIGN - Insert directly into 1/2" or larger tubing or use with 1/4" drip lines—no tools required for quick, leak-proof installation.

The Rain Bird SW20-30PS is a pack of 30 pressure-compensating drip emitters delivering a uniform 2.0 gallons per hour flow rate. Designed for easy self-piercing installation into various tubing sizes, these durable, UV-resistant emitters ensure efficient, clog-resistant watering that promotes deep root absorption and consistent plant health across your garden or landscape.

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Item dimensions L x W x H	16 x 16 x 27 millimeters
Item weight	7 g
Power source	Pressure
Special features	Automatic Watering
Pattern	Dripper
Shape	Cylindrical
Number of sets	1
Fit type	Self-piercing
Number of pieces	30
Volume capacity	2 Gallon Per Hour
Manufacturer	Rain Bird
UPC	077985007959
Global Trade Identification Number	00077985007959
Color	Red/Black
Material Type	Plastic
Number of Items	1
Features	Automatic Watering
Batteries Included?	No
Item model number	SW20-30PK
Product Dimensions	1.6 x 1.6 x 2.71 cm; 7.03 g
ASIN	B0049C5G18

Rain Bird

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