Comparison : |
Item # F-377P-600, Big Boy F Series 6"-14" Flange Filters Item # F-377P-600F, Big Boy F Series 6"-14" Flange Filters Item # F-377P-800F, Big Boy F Series 6"-14" Flange Filters Item # F-385P-800F, Big Boy F Series 6"-14" Flange Filters Item # F-485P-800F, Big Boy F Series 6"-14" Flange Filters
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