diff --git a/src/gwtdata.php b/src/gwtdata.php
index cf12938..fa72cc8 100644
--- a/src/gwtdata.php
+++ b/src/gwtdata.php
@@ -54,6 +54,7 @@ public function __construct()
 			);
 			$this->_downloaded = array();
 			$this->_skipped = array();
+			$this->_filter = "WEB";
 		}
 
 		/**
@@ -88,6 +89,26 @@ public function SetTables($arr)
 					}
 				} else { throw new Exception("Invalid argument given."); }
 			}
+			
+		/**
+		 *  Sets filter that will be use on query.
+		 *
+		 *  @param $filter  String   Valid string values are:
+		 *                          "ALL", "WEB", "MOBILE", "IMAGE",
+		 *                          "VIDEO".
+		 */
+			public function SetFilter($filter)
+			{
+				if(!empty($filter) && is_string($filter)) {
+					$valid = array("ALL","WEB","MOBILE","IMAGE",
+					  "VIDEO");
+					$this->_filter = array();
+					if(in_array($filter, $valid))
+					{
+						$this->_filter = $filter;
+					} else { throw new Exception("Invalid argument given."); }
+				} else { throw new Exception("Invalid argument given."); }
+			}
 
 		/**
 		 *  Sets daterange for download data.
@@ -287,7 +308,7 @@ public function DownloadCSV($site, $savepath=".")
                         }
 						else {
 							$finalName = "$savepath/$table-$filename.csv";
-							$finalUrl = $downloadUrls[$table] ."&prop=ALL&db=%s&de=%s&more=true";
+							$finalUrl = $downloadUrls[$table] ."&prop=" . $this->_filter . "&db=%s&de=%s&more=true";
 							$finalUrl = sprintf($finalUrl, $this->_daterange[0], $this->_daterange[1]);
 							self::SaveData($finalUrl,$finalName);
 						}
@@ -404,4 +425,4 @@ private function IsISO8601($str)
 					  date('d', $stamp), date('Y', $stamp))) ? true : false;
 			}
 	 }
-?>
\ No newline at end of file
+?>