diff --git a/Sources/Earthquake Network/Controllers/EQNBaseViewController.h b/Sources/Earthquake Network/Controllers/EQNBaseViewController.h
index 744789e..62afdbd 100644
--- a/Sources/Earthquake Network/Controllers/EQNBaseViewController.h	
+++ b/Sources/Earthquake Network/Controllers/EQNBaseViewController.h	
@@ -14,6 +14,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (weak, nonatomic, nullable, readonly) UIView *bannerContainerView;
 @property (weak, nonatomic) IBOutlet NSLayoutConstraint *bannerContainerHeightConstraint;
+@property (nonatomic, readonly) BOOL isBannerVisible;
 
 - (void)refreshUI;
 
diff --git a/Sources/Earthquake Network/Controllers/EQNBaseViewController.m b/Sources/Earthquake Network/Controllers/EQNBaseViewController.m
index f8eb7c7..91527b9 100644
--- a/Sources/Earthquake Network/Controllers/EQNBaseViewController.m	
+++ b/Sources/Earthquake Network/Controllers/EQNBaseViewController.m	
@@ -17,6 +17,13 @@
 
 @implementation EQNBaseViewController
 
+#pragma mark - Accessories
+
+- (BOOL)isBannerVisible
+{
+    return ![EQNPurchaseUtility isProVersionEnabled];
+}
+
 #pragma mark - View Lifecycle
 
 - (void)viewDidLoad
@@ -52,7 +59,7 @@
 - (void)handleAdBanner
 {
     // ad banner mut be displayed only for non pro users
-    if ([EQNPurchaseUtility isProVersionEnabled]) {
+    if (!self.isBannerVisible) {
         [self hideAdBanner];
         return;
     }
diff --git a/Sources/Earthquake Network/Controllers/Seismic Networks/SeismicNetworksMapDetailViewController.swift b/Sources/Earthquake Network/Controllers/Seismic Networks/SeismicNetworksMapDetailViewController.swift
index 44be2e5..b5b2f2f 100644
--- a/Sources/Earthquake Network/Controllers/Seismic Networks/SeismicNetworksMapDetailViewController.swift	
+++ b/Sources/Earthquake Network/Controllers/Seismic Networks/SeismicNetworksMapDetailViewController.swift	
@@ -17,9 +17,9 @@ class SeismicNetworksMapDetailViewController: EQNBaseMapViewController {
 
     // MARK: - State
     
-    override var availableFilters: [EQNFiltroMappa] {
-        // trick to show filtersView
-        [ .unGiorno ]
+    override var isFilterViewVisible: Bool {
+        // a custom filter view id displayed
+        true
     }
     weak var delegate: SeismicNetworksMapDetailViewControllerDelegate?
     
@@ -33,7 +33,7 @@ class SeismicNetworksMapDetailViewController: EQNBaseMapViewController {
     private lazy var seismicFiltersView: UIView = {
         let view = UIView()
         view.translatesAutoresizingMaskIntoConstraints = false
-        view.backgroundColor = .lightGray
+        view.backgroundColor = AppTheme.Colors.lightGray
 
         // label with current selecte filter
         view.addSubview(seismicsFilterLabel)
diff --git a/Sources/Earthquake Network/Controllers/Shared/EQNBaseMapViewController.swift b/Sources/Earthquake Network/Controllers/Shared/EQNBaseMapViewController.swift
index f080ee6..d4c3022 100644
--- a/Sources/Earthquake Network/Controllers/Shared/EQNBaseMapViewController.swift	
+++ b/Sources/Earthquake Network/Controllers/Shared/EQNBaseMapViewController.swift	
@@ -12,14 +12,22 @@ import MapKit
 
 class EQNBaseMapViewController: EQNBaseViewController, MKMapViewDelegate {
     
+    /// Current filter
     var filter = EQNFiltroMappa.unGiorno {
         didSet {
             updateUI()
         }
     }
+    /// Available filters
     var availableFilters: [EQNFiltroMappa] {
         [.unGiorno, .dodiciOre, .seiOre, .dueOre, .unOra, .dieciMinuti]
     }
+    /// If `true`, the filter view is visible. Could be overridden by a subclass with a custom filter view
+    var isFilterViewVisible: Bool {
+        !availableFilters.isEmpty
+    }
+    
+    // MARK: - Internal
     
     /// Annotations displayed on the map
     private var mapAnnotations = [MKAnnotation]()
@@ -57,7 +65,7 @@ class EQNBaseMapViewController: EQNBaseViewController, MKMapViewDelegate {
     lazy var filtersView: UIView = {
         let view = UIView()
         view.translatesAutoresizingMaskIntoConstraints = false
-        view.backgroundColor = .lightGray
+        view.backgroundColor = AppTheme.Colors.lightGray
         
         // label with current selecte filter
         view.addSubview(filterLabel)
@@ -106,13 +114,11 @@ class EQNBaseMapViewController: EQNBaseViewController, MKMapViewDelegate {
     // MARK: - Private
     
     private func setupUI() {
-        let isFilterVisible = !availableFilters.isEmpty
-        
         view.backgroundColor = .white
         view.addSubview(mapView)
         view.addSubview(closeButton)
         view.addSubview(containerView)
-        if isFilterVisible {
+        if isFilterViewVisible {
             view.addSubview(filtersView)
         }
         
@@ -124,18 +130,21 @@ class EQNBaseMapViewController: EQNBaseViewController, MKMapViewDelegate {
         bannerContainerHeightConstraint = containerView.heightAnchor.constraint(equalToConstant: 55.0)
         bannerContainerHeightConstraint?.isActive = true
         
-        if isFilterVisible {
-            view.backgroundColor = filtersView.backgroundColor // trick to simulate a bigger filters view
+        if isFilterViewVisible {
             filtersView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
             filtersView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
             filtersView.bottomAnchor.constraint(equalTo: containerView.topAnchor).isActive = true
             filtersView.heightAnchor.constraint(equalToConstant: 40.0).isActive = true
         }
         
+        if isFilterViewVisible && !isBannerVisible {
+            view.backgroundColor = filtersView.backgroundColor // trick to simulate a bigger filters view
+        }
+        
         mapView.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
         mapView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
         mapView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
-        mapView.bottomAnchor.constraint(equalTo: (isFilterVisible ? filtersView : containerView).topAnchor).isActive = true
+        mapView.bottomAnchor.constraint(equalTo: (isFilterViewVisible ? filtersView : containerView).topAnchor).isActive = true
     }
     
     // MARK: - View Lifecycle
diff --git a/Sources/Earthquake Network/Resources/Colors.xcassets/Gray (light).colorset/Contents.json b/Sources/Earthquake Network/Resources/Colors.xcassets/Gray (light).colorset/Contents.json
new file mode 100644
index 0000000..08e0d8b
--- /dev/null
+++ b/Sources/Earthquake Network/Resources/Colors.xcassets/Gray (light).colorset/Contents.json	
@@ -0,0 +1,20 @@
+{
+  "colors" : [
+    {
+      "color" : {
+        "color-space" : "srgb",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "0xCA",
+          "green" : "0xCA",
+          "red" : "0xCA"
+        }
+      },
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/Sources/Earthquake Network/UI/AppTheme.swift b/Sources/Earthquake Network/UI/AppTheme.swift
index b1969a2..6f6249a 100644
--- a/Sources/Earthquake Network/UI/AppTheme.swift	
+++ b/Sources/Earthquake Network/UI/AppTheme.swift	
@@ -18,6 +18,7 @@ class AppTheme: NSObject {
         static let green = UIColor(named: "Green")!
         static let gray = UIColor(named: "Gray")!
         static let darkGray = UIColor(named: "Gray (dark)")!
+        static let lightGray = UIColor(named: "Gray (light)")!
     }
     
     static let shared = AppTheme()