Below you can see a direct comparison of the products you have selected. Differences between the products are highlighted in blue.
A stainless steel (V4A) compensating frame, colour: brushed stainless steel, is an optional accessory for the PPB 30 K and PPB 30 O final assembly kits
Stainless steel (V4A) fixing plate, brushed stainless steel colour needed as accessory for PPB 30 ARE compensating frame
An aluminium compensating frame, colour: powder coated white, similar to RAL 9010, is an optional accessory for the PPB 30 K and PPB 30 O final assembly kits
An aluminium fixing plate, colour: powder coated white, similar to RAL 9010 is needed as an accessory for PPB 30 ARW compensating frame
* Blue markings show the differences between the products.