prefilter
1
5.3
- noun
- /ˈpriːˌfɪltər/
- Specialized
:
prefiltro
- The 5 m prefilter showed the highest loss of bacteria due to its small pore size; thus, it is not ideal as a prefilter.
- various prefilters
Examples
-
At both high and low concentrations of E. faecalis, the 20 m prefilter showed nearly complete (99.6%) passage of bacteria during the prefiltration.
Academic text (2010) -
The effectiveness of prefiltration using various prefilters is compared in Figure 1 and Figure 2 at two different E. faecalis levels.
Academic text (2010) -
The glass fiber also showed a significant reduction in bacterial passage through the prefilter.
Academic text (2010) -
A prefilter is a 3-inch disc used in carbon-block drinking water filters.
Academic text (2001) -
The Fresh Air filters have a 30 to 35 percent MEKV 8 efficiency prefilter layer, followed by a layer of activated carbon media containing 200 grams per square meter.
Academic text (2002) -
The prefilter material used for this testing included a glass fiber filter (GF), a 5 m pore size cellulose tester filter, and a 20 m pore size nylon filter.
Academic text (2010) -
A prefilter is necessary to keep the main water filter functioning properly.
-
Using a prefilter helps to extend the life of your HVAC system by trapping dust and debris.
-
The prefilter can be easily cleaned to improve the efficiency of the air purification system.
How Fine
- Specialized
139
2.8
- Specialized
1
5.3
1
6.8
13
1.7
Surface Forms
Morphology
Etymology
Prefilter joins pre- meaning 'before' and filter, a word you know for removing dirt or particles. A prefilter is like a first net that catches the big bits before the main filter, so it protects the main filter and helps it last longer.