Why is there 2 different logos between my Big Berkey and Travel Berkey systems? Is there any difference on the performance or how they work?

Berkey Manufacturer in USA introduced new logo on some systems late 2021 and there is no difference on the performance, filters or the system itself.

/* if no javascript: get back ATC button */ body:not(.spo-loaded) [data-shopify="payment-button"], body:not(.spo-loaded).template-product #AddToCart, body:not(.spo-loaded).template-product form[action="/cart/add"] [type=submit], body:not(.spo-loaded).template-collection form[action="/cart/add"] [type=submit], body:not(.spo-loaded).template-index form[action="/cart/add"] [type=submit], body:not(.spo-loaded) form[action="/cart/add"] [type=submit] {opacity: 1; pointer-events: all} body:not(.spo-loaded) form[action^="/cart"]:not([action^="/cart/add"]):not(#currency_form) button, body:not(.spo-loaded) form[action^="/cart"]:not([action^="/cart/add"]):not(#currency_form) input[type="submit"], body:not(.spo-loaded) form[action^="/cart"]:not([action^="/cart/add"]):not(#currency_form) input[type="button"], body:not(.spo-loaded) [name="checkout"], body:not(.spo-loaded) [name="goto_pp"], body:not(.spo-loaded) [name="goto_amazon_payments"] {opacity: 1; pointer-events: all}