Filtration Apparatus for Cleaning

Abstract

A filter apparatus. The filter apparatus further comprises a filter, a canister, and a trigger, wherein the trigger permits or prevents airflow through the filter.

What is claimed is: 
     
         1 . A filter apparatus comprising:
 a filter;   a canister; and   a valve,
 the valve permitting or preventing airflow through the filter. 
   
     
     
         2 . The filter apparatus of  claim 1  wherein the valve is operated by a trigger. 
     
     
         3 . The filter apparatus of  claim 1  wherein the filter is a high efficiency particulate air filter. 
     
     
         4 . The filter apparatus of  claim 1  wherein the filter is an ultra-low penetration air filter. 
     
     
         5 . The filter apparatus of  claim 1  wherein the filter is a high-efficiency gas absorption filter. 
     
     
         6 . The filter apparatus of  claim 1  further comprising a removable canister. 
     
     
         7 . The filter apparatus of  claim 1  wherein at the canister is formed of thermoplastic polymer. 
     
     
         8 . The filter apparatus of  claim 2  wherein the trigger is spring-loaded. 
     
     
         9 . The filter apparatus of  claim 1  further comprising a universal adapter to attach to a suction-generating machine. 
     
     
         10 . The filter apparatus of  claim 8  wherein the universal adapter includes a flexible hose.