Part No
			Description
			A (Length)
			B (Ends)
			C (Width)
		 
		
			30987
			SILENCER PRO 2" GRV × 2" GRV (220 max. GPM)
			13 1/4"
			1 1/4"
			4 5/8"
		 
		
			30988
			SILENCER PRO 2 1/2" GRV × 2 1/2" GRV (325 max. GPM)
			13 1/4"
			1 1/4"
			4 5/8"
		 
		
			30989
			SILENCER PRO 3" GRV × 2 1/2" GRV (350 max. GPM)
			13 1/4"
			1 1/4"
			4 5/8"
		 
		
			30990
			SILENCER PRO 3" GRV × 3" GRV (350 max. GPM)
			13 1/4"
			1 1/4"
			4 5/8"
		 
		
			30991
			SILENCER PRO 2 1/2" THD × 2 1/2" THD (300 max. GPM)
			10 1/4"
			N/A
			4 5/8"
		 
		
			30992
			SILENCER PRO 2" THD × 2" THD (220 max. GPM)
			10 1/4"
			N/A
			4 5/8"