Valterra T1037 3-Way Ell with 3" Bayonet x 3" Rotating Flange x 2" Hub Inlet x 1-1/2" Rotating Flange PART# 40888 RV SANITATION FITTINGS 3 WAY ELL - 3" BAYONET X 3" ROTATING FLANGE X 2" HUB X 1-1/2 ROTATING FLANGE IAPMO &amp; CSA APPROVED