Consider these adjustable chemical injectors by Mecline.

Rated at:

• 4500 PSI maximum
• 200 degrees F maximum
• 8 GPM maximum
• 1/4" hose barb port

Available in:

3/8" MPT inlet and outlet (MVR400)

3/8" FPT inlet and 3/8" MPT outlet (MVR410)

1.8mm = 2-3 GPM

2.1mm - 3-5 GPM

2.3mm - 5-8 GPM