

Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Glasfloss ZLP19P21H1 is a pleated air filter designed for efficient air cleaning. This filter measures nineteen and seven-eighths inches by twenty-one and one-half inches by one inch. It is suitable for use in various HVAC systems, providing both MERV 8 and MERV 10 options.
This filter helps improve indoor air quality by capturing dust and allergens. It is easy to install and fits most standard filter housings. Use this filter in residential or commercial HVAC systems.
Thanks for subscribing!
This email has been registered!