The Soler & Palau Lint Trap has a 4 inch diameter intake and outlet.  It also has a removable plexiglass cover. The pressure drop across the LT-100 lint trap when clean is .05" SP.

Specifications: 

SKU Description Prod Info Price/Units Quantity
DBLT4 FANTECH 4" DRYER LINT TRAP Product_Details EA
DT4 SECONDARY LINT TRAP EA
LT100 DRYER LINT TRAP Product_Details EA