counter current skimmer / a cracked 20/ 20 gallon  w/ wrough
			 
			 
			
		
		
		
		hey mike, 
what can i say....its OLD...~7 years...counter current...so you will need a small powerhead and an airpump to run it...it is also a hang on the back. let me know if your interested. 
		
	
		
		
		
		
		
	
		
		
	
	
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