Various
4", green, flat top structural foam polyolefin atrium grate with uv inhibitors, open surface area is 14.50 sqin, & it's 19.00 gpm, fits 4" sewer & drain pipe & fittings, 4" corrugated pipe, & 4 " triple wall pipe.
Ipex PVC SCH 40 Reducing Pipe Adapter Slip x MPT
Lasco Fittings Reducing Male Adapter
Lasco Fittings PVC 45 Degree Elbow Slip By Slip
Lasco Fittings PVC Reducing Bushing Spigot By FIP
Charlotte Pipe Low-Lead Male Adapter Brass MPT x CTS Socket (1/2")