✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
Accuracy: ±2% full scale (±5% FS on FL3607/3707 and FL3845/3945 models)
Repeatability: ±0.25% full scale
Connections: 1/8 FNPT, horizontal
Flow Tube: Borosilicate glass
End Fittings: Anodized aluminum or 316 SS
Side Panels: Aluminum
Valve Orifice: Polyacetal for aluminum models, Kel-F in 316 SS models
O-Rings and Packings: Buna in aluminum models, FKM in 316 SS models
Packings: FKM
Float Stops: PTFE
Max Temperature: 121°C (250°F)
Max Pressure: 200 psig (13.8 bar)
Ask questions
(0/1,200)
- Q: Are there free trial or sample giveaway activities?
A: We regularly organize free trials or sample giveaways. You can stay informed about these activities and apply to participate by following our official announcements, emails, or social media channels.
- Q: What payment methods do you accept?
A: We accept various payment methods, including major credit cards (Visa, Mastercard, American Express), debit cards, and digital payment platforms such as PayPal, Apple Pay, and Google Pay. The available payment methods will be displayed during the checkout process.
- Q: Do you have a mobile app for easier shopping?
A: We currently do not support it, but we have a Progressive Web App (PWA) and a well-adapted mobile version of our website. Additionally, we are in the process of developing a mobile application for iOS and Android devices. Our mobile app will provide a convenient and user-friendly shopping experience, including personalized recommendations, easy navigation, and order tracking features.
Reviews
- J
Juan Lujan
Feb 04, 2026
Omega Flowmeter FL-3665GThe staff at OKmarts is super responsive and always willing to assist.HelpfulUnhelpful - B
Butch Weaver
Nov 12, 2025
Omega Flowmeter FL-3665GI'm feeling hopeful about the situation.HelpfulUnhelpful - S
Shane Rangel
Jan 29, 2025
Omega Flowmeter FL-3665GBuen precio, envío rápidoHelpfulUnhelpful - W
William Phifer
May 09, 2024
Omega Flowmeter FL-3665GCompatible OEM part numberHelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Omega Flowmeter FL-3665GAll was ok! No problems whatsoever.HelpfulUnhelpful
Omega Flowmeter FL-3665G
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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