This BevGuard® water treatment filter is specifically designed to reduce hard scale build up in espresso machine and specialty tea products, enhancing machine operation, extending the life of the equipment while reducing operation and maintenance costs. Our premium grade, high capacity, weak acid gel type cation resin reduces hard scale buildup which causes equipment break down, increased maintenance and energy consumption.

This economical filter will deliver premium-quality water at uniform pressure to help provide consistent water for any espresso and specialty tea brewers ensuring great tasting and looking beverages, cup after cup.


  • 3M/Cuno* SWC900-C (55992-03)
  • 3M/Cuno* SWC1350-C (55992-07)


  • Specifically designed for espresso machines and specialty tea products
  • Economical alternative to expensive filter substitutes
  • Delivers clean, clear water that looks and tastes great
  • Utilizes premium grade, high capacity, weak acid gel type cation resin
  • NSF and/or FDA CFR 21 compliant materials

Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.


338" x 1512” (8.57 cm x 39.37 cm)

Min Operating Pressure:

25 psi (1.7 bar)

Max Operating Pressure:

125 psi - (8.6 bar)

Operating Temperature:

35-100°F (1.7°C - 38°C)

Maximum Service Flow Rate:

0.5 gpm/1.9 lpm


1900 grain*

* To determine gallon capacity of system, divide grain capacity by incoming water hardness.

*Cuno is a registered trademark of the 3M Company.