Comparison : Item # LEXS375-13, Xclude® Standard Breather (3.90in x 2.5in)
Item # LEXS375-28, Xclude® Standard Breather (5.35in x 2.5in)
Item # LEXS1-66, Xclude® Standard Breather (6in x 4in)
Item # LEXS1-122, Xclude® Standard Breather (8in x 4in)
Item # LEXS1-188, Xclude® Standard Breather (10in x 4in)