Description Spec Sheet Breakdown Resources WILKINS 375 1/2" - 3/4" INLET HOUSING O'RING Model Series: 375 / 375XL 1/2" - 2" Packing Slip Description: WKNS 375 1/2"-3/4"IN HSG O'RG Brand: Zurn Model Group: 375 / 375XL 1/2" - 2" Model Size: .5:1/2" Model Size: .75:3/4"