Sealed Air manufactures solar collectors, both framed and frameless solar collectors. Dimensions for either series range at 4'X8', 4'X10' and 4'X12'. Operating pressure is 25-30 psi for models in both series. The FS Series of collectors, are framed co-polymer collectors whose design makes it capable for tile roof and ground mount applications. The FP Series ranges in panel weight from 40 lbs to 54 lbs. making it lighter weight than the FS Series averaging 65lbs and above. They also offer the FW Series which features a windscreen, shielding for a reduction of heat loss due to the wind.