US
Choose your country or region:
Always take me to the Hach US site
Europe
Asia - Australasia
Americas
Middle East - Africa

Cart/

Products Products
- - DIGITAL SOLUTIONS
  - PRODUCT ANNOUNCEMENTS
  - SERVICE PRODUCTS
  - Product Directory
  - Catalog
  - PICK & SHIP
  - Self-manage supplies, maintenance kits, items – recurring basis
  - DIGITAL SOLUTIONS
  - PRODUCT ANNOUNCEMENTS
  - SERVICE PRODUCTS
  - PROMOTIONS
  - Check for Hach promotions before you buy
  - Product Directory
  - TRAINING PRODUCTS
  - See available workshops, digital and personalized training
  - Catalog
Parameters Parameters
- - LEARN MORE ABOUT WATER QUALITY CHEMISTRIES
  - View all Hach Parameters
  - LEARN MORE ABOUT WATER QUALITY CHEMISTRIES
  - PICK & SHIP
  - Self-manage supplies, maintenance kits, items – recurring basis
  - View all Hach Parameters
  - WATER ANALYSIS HANDBOOK
  - Comprehensive source for water analysis procedures and methods.
Industries Industries
- - ENGINEERING CONSULTANTS
  - ENGINEERING CONSULTANTS
Digital Solutions Digital Solutions
- - SOFTWARE
  - Hach WIMS powered by Aquatic Informatics
Support & Service Support & Service
- - Engineering Resource Library
  - Engineering Resource Library
Promotions
Claros Portal
Careers
Worldwide Locations
Order Status
Contact
Express Order

Email Address
Password
Forgot your password?
Create an account
English (US)
Choose your country or region:
Always take me to the Hach US site
Europe
Asia - Australasia
Americas
Middle East - Africa

Promotions
Claros Portal
Careers
Worldwide Locations
Order Status
Contact
Express Order

Express Order Cart / Quote

—

Subtotal:

Successfully added to cart

Cart & Checkout

Home
Lab Instruments
Colorimeters
DR800 Series Accessories
420 nm Interference Filter

420 nm Interference Filter

420 nm Interference Filter

420 nm Interference Filter

Product Number: 9524300

Available

Price: Contact Us

Talk to an Expert

Compare this product

420 nm Interference Filter

420 nm Interference Filter

Loading

Product Number:

Price: Contact Us

View product details

Manage My Communication Preferences

Follow Us:

CUSTOMER SERVICE CUSTOMER SERVICE

RESOURCES RESOURCES

ABOUT US ABOUT US

hands shaking each other icon for Hach Small Business Supplier Program

megaphone icon for sharing website feedback

Water Quality Products for Government Buyers

Hach Small Business Supplier Program

Share Website Feedback

Veralto Water Quality

Privacy Policy | Cookie Policy | Cookies Settings | Do Not Sell or Share My Data

©2025 Hach All rights reserved.