Most don't leak. My MIL has about 6 of them and they only leak when she fills them too full.
Might want to make sure the o-ring is seated right and not twisted in anyway.
	
		
			
		
		
	
			
			Might want to make sure the o-ring is seated right and not twisted in anyway.
 
				
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		